Hierarchy

18Section XVIII — OPTICAL, PHOTOGRAPHIC, CINEMATOGRAPHIC, MEASURING, CHECKING, PRECISION, MEDICAL OR SURGICAL INSTRUMENTS AND APPARATUS

9000000000OPTICAL, PHOTOGRAPHIC, CINEMATOGRAPHIC, MEASURING, CHECKING, PRECISION, MEDICAL OR SURGICAL INSTRUMENTS AND APPARATUS; PARTS AND ACCESSORIES THEREOF

9031000000Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors

9031410000Other optical instruments and appliances

9031410000For inspecting semiconductor wafers or devices (including integrated circuits) or for inspecting photomasks or reticles used in manufacturing semiconductor devices (including integrated circuits)

9031490000Other

9031491000Profile projectors 9031499000Other

Duties & Measures

Preferential rates(45)

+35

Preferential rates - 45 Origin
Origin	Trade agreement	Details
EU-Switzerland agreement: re-imported goods1007 0.000 %	—	2
CARIFORUM1033 0.000 %EU-CARIFORUM EPA	EU-CARIFORUM EPA
Eastern and Southern Africa States1034 0.000 %ESA Interim EPA	ESA Interim EPA
SADC EPA1035 0.000 %SADC EPA	SADC EPA
Preferential origin in accordance with the Agreement in the form of an Exchange of Letters between the European Union and the Kingdom of Morocco on the amendment of Protocols 1 and 4 to the Euro-Mediterranean Agreement establishing an association between the European Communities and their Member States, of the one part, and the Kingdom of Morocco, of the other part.2000 0.000 %	—
GSP-EBA2005 0.000 %Everything But Arms	Everything But Arms
European Economic Area2012 0.000 %EEA Agreement	EEA Agreement	1
GSP+2027 0.000 %GSP+ Enhanced Arrangement	GSP+ Enhanced Arrangement

Airworthiness tariff suspension(1)

inherited from 9031000000

ERGA OMNES

0.000 %1Regulation 1517/182018-11-01

1 certificate(s) required

C119Other certificates

Authorised Release Certificate — EASA Form 1 (Appendix I to Annex I to Regulation (EU) No 748/2012), or equivalent certificate

Measure not applicable

CD333The autonomous Common Customs Tariff duties laid down in Regulation (EEC) No 2658/87 for parts, components and other goods of a kind to be incorporated in or used for aircraft and parts thereof in the course of their manufacture, repair, maintenance, rebuilding, modification or conversion is suspended. In order to benefit from the suspension, the declarant shall present to the customs authorities an Authorised Release Certificate — EASA Form 1, as set out in Appendix I to Annex I to Regulation (EU) No 748/2012, or an equivalent certificate. The certificates which are deemed to be equivalent to Authorised Release Certificates are listed in Annex II to the Regulation (EU) 2018/1517.

Low-value consignment customs duty(2)

inherited from 9000000000

ERGA OMNES

3.000 EURRegulation 0382/262026-07-01

TM01066From 1 July 2026 until 1 July 2028, a customs duty of EUR 3 per item in a consignment the intrinsic value of which does not exceed a total of EUR 150 shall apply instead of the relief eliminated pursuant to Article 1 of this Regulation, where: (a) the importation of the goods is exempt from VAT in accordance with Article 143(1), point (ca), of Directive 2006/112/EC; or (b) the goods are in a postal consignment as defined in Article 1, point (24), of Delegated Regulation (EU) 2015/2446.

ERGA OMNES

3.000 EUR4Regulation 0382/262026-11-01

4 certificate(s) required

C127Other certificates

Merchant product identifier

C128Other certificates

Non-standardised manufacturer product identifier

C129Other certificates

Standardised manufacturer product identifier

Y081Particular provisions

No standardised manufacturer product identifier for the declared product exists

Import not allowed

Import control(5)

inherited from 9031000000

Belarus

Regulation 0765/062025-02-25

4 certificate(s) required

Y727Particular provisions

The prohibitions defined in article 1ra paragraph 1 of Council Regulation (EU) No 765/2006 do not apply (see exemptions in article 1ra paragraph 3)

Y728Particular provisions

The prohibitions defined in article 1ra paragraph 1 of Council Regulation (EU) No 765/2006 do not apply (see exemptions in article 1ra paragraph 4)

L152Import certificate/licence

Import authorisation by virtue of article 1ra paragraph 10 of Council Regulation (EU) 765/2006

Y870Particular provisions

Goods entered the territory of the customs union of the EU and presented to customs authorities prior to the entry into force or to applicability date of the present sanction, whichever is latest (see Article 8f of Regulation (EU) No 765/2006)

Import/export not allowed after control

CD925It shall be prohibited to purchase, import, or transfer into the Union, directly or indirectly, goods which allow Belarus to diversify its sources of revenue, thereby enabling its involvement in the Russian aggression against Ukraine, as listed in Annex XXVII, if they originate in Belarus or are exported from Belarus. Article 1ra - Regulation (EU) 765/2006 (COUNCIL REGULATION (EU) 2024/1865)

Iran

Regulation 0267/122025-09-30

1 certificate(s) required

Y750Particular provisions

The declared goods are not concerned by Council Regulation (EC) No. 267/2012, Annex II

Import/export not allowed after control

TM01042Article 4 of Regulation (EU) No 267/2012 (consolidated version) It shall be prohibited to purchase, import or transport from Iran, directly or indirectly, the goods and technology listed in Annex II whether the item concerned originates in Iran or not.

Russia

Regulation 0833/142026-04-24

5 certificate(s) required

L142Import certificate/licence

Import authorisation by virtue of article 3i paragraph 3c of Council Regulation (EU) 833/2014

Y874Particular provisions

The prohibitions defined in article 3i.1 of Council Regulation (EU) No 833/2014 do not apply (see exemptions in article 3i.3aa)

Y683Particular provisions

The prohibitions defined in article 3i.1 of Council Regulation (EU) No 833/2014 do not apply (see exemptions in article 3i.3i)

L143Import certificate/licence

Import authorisation by virtue of article 12b.2 of Council Regulation (EU) 833/2014

Y859Particular provisions

Import not allowed

CD868It shall be prohibited to purchase, import, or transfer, directly or indirectly, goods which generate significant revenues for Russia thereby enabling its actions destabilising the situation in Ukraine, as listed in Annex XXI into the Union if they originate in Russia or are exported from Russia. By way of derogation from paragraphs 1, the competent authorities may authorise the purchase, import or transfer of the goods listed in Annex XXI, or the provision of related technical and financial assistance, under such conditions as they deem appropriate, after having determined that this is necessary for the establishment, operation, maintenance, fuel supply and retreatment and safety of civil nuclear capabilities, and the continuation of design, construction and commissioning required for the completion of civil nuclear facilities, the supply of precursor material for the production of medical radioisotopes and similar medical applications, or critical technology for environmental radiation monitoring, as well as for civil nuclear cooperation, in particular in the field of research and development. Council Regulation (EU) No 833/2014 - Article 3i (Council regulation (EU) 2022/576)

Ukraine

Regulation 0692/142026-06-24

EU-Ukraine DCFTA(since 2016)

3 certificate(s) required

Y997Particular provisions

Goods not originating from or destined to Crimea or Sevastopol (Articles 2 and 2b.1 of Council Regulation (EU) No 692/2014)

N864UN/EDIFACT certificate

Invoice declaration or origin declaration made out by any exporter on invoice or any other commercial document

N954UN/EDIFACT certificate

Movement certificate EUR.1

Import not allowed

CD967I. According to Council Regulation (EU) No 692/2014, it shall be prohibited to import into European Union goods originating in Crimea or Sevastopol. The prohibition shall not apply in respect of goods originating in Crimea or Sevastopol which have been made available to the Ukrainian authorities for examination, for which compliance with the conditions conferring entitlement to preferential origin has been verified and for which a certificate of origin has been issued in accordance with the Association Agreement between the European Union and its Member States, of the one part, and Ukraine, of the other part. II. According to the Council Regulation (EU) 692/2014, the export of goods and technologies suited for use in the sectors of transport; telecommunications; energy; prospection, exploration and production of oil, gas and mineral resources is prohibited: (a) to any natural or legal person, entity or body in Crimea or Sevastopol, or (b) for use in Crimea or Sevastopol.

Ukraine

Regulation 0263/222026-06-24

EU-Ukraine DCFTA(since 2016)

3 certificate(s) required

Y984Particular provisions

Goods not originating from or not destined for the non-government controlled areas of Ukraine in the oblasts of Donetsk, Kherson, Luhansk and Zaporizhzhia

N954UN/EDIFACT certificate

Movement certificate EUR.1

N864UN/EDIFACT certificate

Invoice declaration or origin declaration made out by any exporter on invoice or any other commercial document

Import/export not allowed after control

CD860According to Council Regulation (EU) 2022/263 (OJ L42I, p. 77): I. It shall be prohibited to import into the European Union goods originating in non-government controlled areas of the Donetsk, Kherson, Luhansk and Zaporizhzhia oblasts of Ukraine. The import prohibitions not apply in respect of: (a) the execution until 24 May 2022 of trade contracts concluded before 23 February 2022, or of ancillary contracts necessary for the execution of such contracts, provided that the natural or legal person, entity or body seeking to perform the contract has notified, at least 10 working days in advance, the activity or transaction to the competent authority of the Member State in which they are established; (b) goods originating in the specified territories which have been made available to the Ukrainian authorities for examination, for which compliance with the conditions conferring entitlement to preferential origin has been verified and for which a certificate of origin has been issued in accordance with the EU-Ukraine Association Agreement. II. It shall be prohibited to sell, supply, transfer or export goods and technology listed in Annex II to Council Regulation (EU) 2022/263: (a) to any natural or legal person, entity or body in the specified territories, or (b) for use in the specified territories. Annex II shall include certain goods and technologies suited for use in the following key sectors: (i) transport; (ii) telecommunications; (iii) energy; (iv) the prospecting, exploration and production of oil, gas and mineral resources. The prohibitions in point II above shall be without prejudice to the execution until 24 August 2022 of an obligation arising from a contract concluded before 23 February 2022, or from ancillary contracts necessary for the execution of such contracts, provided that the competent authority has been informed at least five working days in advance.

Import control -restricted goods & technologies(1)

North Korea

Regulation 1509/172017-09-01

1 certificate(s) required

Y920Particular provisions

Goods other than those described in the footnotes linked to the measure

Import/export not allowed after control

CD995If the declared goods are described in the footnotes linked to the measure, export/import is not allowed.

DU132Goods 2B006 from the dual use list.

DU232Goods 5B001 from the dual use list.

DU260Goods 6B004 from the dual use list.

DU294Goods 7B002 from the dual use list.

DU297Goods 7B102 from the dual use list.

Restriction on entry into free circulation(4)

inherited from 9000000000

Iraq

—Regulation 1210/032003-05-23

4053Optical, photographic or cinematographic apparatus, between 50 and 100 years old, other than those covered by the additional codes 4008, 4010, 4011, 4013, 4023, 4040 - 4048

TM570The following shall be prohibited: a) the import of or the introduction into the territory of the Community of, and b) the dealing in, Iraqi cultural property and other items of archaeological, historical, cultural, rare scientific and religious importance, if they have been illegally removed from locations in Iraq, in particular, if: i) the items form an integral part of either the public collections listed in the inventories of Iraqi museums, archives or libraries' conservation collection, or the inventories of Iraqi religious institutions, or ii) there exists reasonable suspicion that the goods have been removed from Iraq without the consent of their legitimate owner or have been removed in breach of Iraq's laws and regulations. These prohibitions shall not apply if it is shown that either: a) the cultural items were exported from Iraq prior to 6 August 1990; or b) the cultural items are being returned to Iraqi institutions in accordance with the objective of safe return as set out in paragraph 7 of UNSC Resolution 1483 (2003).

Iraq

—Regulation 1210/032003-05-23

4099Other than those mentioned in Regulation (EC) no 1210/2003 (OJ L 169): no restrictions

Syria

—Regulation 1332/132025-05-29

4053Optical, photographic or cinematographic apparatus, between 50 and 100 years old, other than those covered by the additional codes 4008, 4010, 4011, 4013, 4023, 4040 - 4048

TM572It shall be prohibited to import, export, or transfer Syrian cultural property goods and other goods of archaeological, historical, cultural, rare scientific or religious importance, including those listed in Annex XI of Council Regulation (EU) No 36/2012, where there are reasonable grounds to suspect that the goods have been removed from Syria without the consent of their legitimate owner or have been removed in breach of Syrian law or international law, in particular if the goods form an integral part of either the public collections listed in the inventories of the conservation collections of Syrian museums, archives or libraries, or the inventories of Syrian religious institutions. The prohibition shall not apply if it is demonstrated that: (a) the goods were exported from Syria prior to 9 May 2011; or (b) the goods are being safely returned to their legitimate owners in Syria.

Syria

—Regulation 1332/132025-05-29

4098Other than those mentioned in Regulation (EC) no 1332/2013 (OJ L 335): no restrictions

Start date: 1996-01-01

Regulatory notes

NENC9031Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors

Additional noteAdditional Notes to Chapter 90

1. For the purposes of heading 9001, the expression 'optical fibres, optical fibre bundles and cables' means optical fibres, optical fibre bundles and cables of glass or plastics, consisting of individually sheathed fibres, whether or not assembled with electrical conductors or fitted with connectors. 2. For the purposes of subheading 9013 20 00, 'lasers' includes laser diodes but does not include laser diode assemblies of heading 8541. 3. For the purposes of heading 9025, 'hydrometers and similar floating instruments, thermometers, pyrometers, barometers, hygrometers and psychrometers' include those combined with recording devices but do not include those combined with any other instrument (for example: thermo-hygrographs combining a thermometer and hygrometer). 4. For the purposes of heading 9031, 'profile projectors' means instruments which project a magnified silhouette of a workpiece on to a screen so that the accuracy of the profile may be verified. This term does not include other optical projectors (heading 9008 or 9010).

Non-preferential origin

value_added

Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this Chapter; profile projectors.

CTH; or 45% value added rule

value_added

Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this Chapter; profile projectors.

CTH; or 45% value added rule

Residual rule

Where the country of origin cannot be determined by application of the primary rules, the country of origin of the goods shall be the country in which the major portion of the materials originated, as determined on the basis of the value of the materials.

Annex 22-01 DA 2015/2446

FAQ

Are there tariff preferences for Other (9031490000)?

Yes, 42 tariff preferences are available for this code. Preferential rates apply to imports from countries with a trade agreement with the EU.

Are import controls required for Other (9031490000)?

Yes, 6 import control measure(s) apply to this code (e.g. CITES, REACH, sanitary controls, etc.).

How many BTIs (Binding Tariff Information) exist for Other (9031490000)?

141 BTIs have been issued for this TARIC code by EU Member States customs authorities.

What are the non-preferential origin rules for Other (9031490000)?

Non-preferential origin rules for Other are defined in Annex 22-01 of the UCC Delegated Act. These rules determine the country of origin for MFN duty rates, trade policy measures, and origin marking.

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Hierarchy

18Section XVIII — OPTICAL, PHOTOGRAPHIC, CINEMATOGRAPHIC, MEASURING, CHECKING, PRECISION, MEDICAL OR SURGICAL INSTRUMENTS AND APPARATUS

9000000000OPTICAL, PHOTOGRAPHIC, CINEMATOGRAPHIC, MEASURING, CHECKING, PRECISION, MEDICAL OR SURGICAL INSTRUMENTS AND APPARATUS; PARTS AND ACCESSORIES THEREOF

9031000000Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors

9031410000Other optical instruments and appliances

9031490000Other

9031491000Profile projectors 9031499000Other

Duties & Measures

Preferential rates(45)

+35

Preferential rates - 45 Origin
Origin	Trade agreement	Details
EU-Switzerland agreement: re-imported goods1007 0.000 %	—	2
CARIFORUM1033 0.000 %EU-CARIFORUM EPA	EU-CARIFORUM EPA
Eastern and Southern Africa States1034 0.000 %ESA Interim EPA	ESA Interim EPA
SADC EPA1035 0.000 %SADC EPA	SADC EPA
Preferential origin in accordance with the Agreement in the form of an Exchange of Letters between the European Union and the Kingdom of Morocco on the amendment of Protocols 1 and 4 to the Euro-Mediterranean Agreement establishing an association between the European Communities and their Member States, of the one part, and the Kingdom of Morocco, of the other part.2000 0.000 %	—
GSP-EBA2005 0.000 %Everything But Arms	Everything But Arms
European Economic Area2012 0.000 %EEA Agreement	EEA Agreement	1
GSP+2027 0.000 %GSP+ Enhanced Arrangement	GSP+ Enhanced Arrangement

Airworthiness tariff suspension(1)

inherited from 9031000000

ERGA OMNES

0.000 %1Regulation 1517/182018-11-01

1 certificate(s) required

C119Other certificates

Authorised Release Certificate — EASA Form 1 (Appendix I to Annex I to Regulation (EU) No 748/2012), or equivalent certificate

Measure not applicable

Low-value consignment customs duty(2)

inherited from 9000000000

ERGA OMNES

3.000 EURRegulation 0382/262026-07-01

ERGA OMNES

3.000 EUR4Regulation 0382/262026-11-01

4 certificate(s) required

C127Other certificates

Merchant product identifier

C128Other certificates

Non-standardised manufacturer product identifier

C129Other certificates

Standardised manufacturer product identifier

Y081Particular provisions

No standardised manufacturer product identifier for the declared product exists

Import not allowed

Import control(5)

inherited from 9031000000

Belarus

Regulation 0765/062025-02-25

4 certificate(s) required

Y727Particular provisions

The prohibitions defined in article 1ra paragraph 1 of Council Regulation (EU) No 765/2006 do not apply (see exemptions in article 1ra paragraph 3)

Y728Particular provisions

The prohibitions defined in article 1ra paragraph 1 of Council Regulation (EU) No 765/2006 do not apply (see exemptions in article 1ra paragraph 4)

L152Import certificate/licence

Import authorisation by virtue of article 1ra paragraph 10 of Council Regulation (EU) 765/2006

Y870Particular provisions

Import/export not allowed after control

Iran

Regulation 0267/122025-09-30

1 certificate(s) required

Y750Particular provisions

The declared goods are not concerned by Council Regulation (EC) No. 267/2012, Annex II

Import/export not allowed after control

Russia

Regulation 0833/142026-04-24

5 certificate(s) required

L142Import certificate/licence

Import authorisation by virtue of article 3i paragraph 3c of Council Regulation (EU) 833/2014

Y874Particular provisions

The prohibitions defined in article 3i.1 of Council Regulation (EU) No 833/2014 do not apply (see exemptions in article 3i.3aa)

Y683Particular provisions

The prohibitions defined in article 3i.1 of Council Regulation (EU) No 833/2014 do not apply (see exemptions in article 3i.3i)

L143Import certificate/licence

Import authorisation by virtue of article 12b.2 of Council Regulation (EU) 833/2014

Y859Particular provisions

Import not allowed

Ukraine

Regulation 0692/142026-06-24

EU-Ukraine DCFTA(since 2016)

3 certificate(s) required

Y997Particular provisions

Goods not originating from or destined to Crimea or Sevastopol (Articles 2 and 2b.1 of Council Regulation (EU) No 692/2014)

N864UN/EDIFACT certificate

Invoice declaration or origin declaration made out by any exporter on invoice or any other commercial document

N954UN/EDIFACT certificate

Movement certificate EUR.1

Import not allowed

Ukraine

Regulation 0263/222026-06-24

EU-Ukraine DCFTA(since 2016)

3 certificate(s) required

Y984Particular provisions

Goods not originating from or not destined for the non-government controlled areas of Ukraine in the oblasts of Donetsk, Kherson, Luhansk and Zaporizhzhia

N954UN/EDIFACT certificate

Movement certificate EUR.1

N864UN/EDIFACT certificate

Invoice declaration or origin declaration made out by any exporter on invoice or any other commercial document

Import/export not allowed after control

Import control -restricted goods & technologies(1)

North Korea

Regulation 1509/172017-09-01

1 certificate(s) required

Y920Particular provisions

Goods other than those described in the footnotes linked to the measure

Import/export not allowed after control

CD995If the declared goods are described in the footnotes linked to the measure, export/import is not allowed.

DU132Goods 2B006 from the dual use list.

DU232Goods 5B001 from the dual use list.

DU260Goods 6B004 from the dual use list.

DU294Goods 7B002 from the dual use list.

DU297Goods 7B102 from the dual use list.

Restriction on entry into free circulation(4)

inherited from 9000000000

Iraq

—Regulation 1210/032003-05-23

4053Optical, photographic or cinematographic apparatus, between 50 and 100 years old, other than those covered by the additional codes 4008, 4010, 4011, 4013, 4023, 4040 - 4048

Iraq

—Regulation 1210/032003-05-23

4099Other than those mentioned in Regulation (EC) no 1210/2003 (OJ L 169): no restrictions

Syria

—Regulation 1332/132025-05-29

4053Optical, photographic or cinematographic apparatus, between 50 and 100 years old, other than those covered by the additional codes 4008, 4010, 4011, 4013, 4023, 4040 - 4048

Syria

—Regulation 1332/132025-05-29

4098Other than those mentioned in Regulation (EC) no 1332/2013 (OJ L 335): no restrictions

Start date: 1996-01-01

Associated BTIs

CJEU Case Law

Regulatory notes

NENC9031Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors

Additional noteAdditional Notes to Chapter 90

Non-preferential origin

value_added

Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this Chapter; profile projectors.

CTH; or 45% value added rule

value_added

Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this Chapter; profile projectors.

CTH; or 45% value added rule

Residual rule

Annex 22-01 DA 2015/2446

FAQ

Are there tariff preferences for Other (9031490000)?

Yes, 42 tariff preferences are available for this code. Preferential rates apply to imports from countries with a trade agreement with the EU.

Are import controls required for Other (9031490000)?

Yes, 6 import control measure(s) apply to this code (e.g. CITES, REACH, sanitary controls, etc.).

How many BTIs (Binding Tariff Information) exist for Other (9031490000)?

141 BTIs have been issued for this TARIC code by EU Member States customs authorities.

What are the non-preferential origin rules for Other (9031490000)?

Non-preferential origin rules for Other are defined in Annex 22-01 of the UCC Delegated Act. These rules determine the country of origin for MFN duty rates, trade policy measures, and origin marking.

Help

Need help?

Ask a question about this code or find a tariff classification expert.

Chapter noteChapter 90 — Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; Parts and accessories thereof

This chapter does not cover: articles for general technical purposes (e.g. pumps of heading 8413, metal or graphite packings of heading 8484), parts of general use as defined in Note 2 to Section XV (base metal) or similar parts of plastics (Chapter 39), transfer pumps of heading 8413, or weighing machinery of heading 8423. Note 2 (Parts and accessories): Parts and accessories which are goods included in any heading of this chapter or of Chapter 84, 85 or 91 are classified in their respective headings. Other parts and accessories solely or principally used with instruments of this chapter are classified in heading 9033. The chapter covers a very broad range from lenses and prisms (heading 9001) through microscopes, telescopes, lasers, navigational instruments, drawing instruments, measuring instruments, medical instruments, to X-ray apparatus and physical/chemical analysis instruments.

Section noteNotes to Section XVIII — Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; Clocks and watches; Musical instruments; Parts and accessories thereof

1. This Section does not cover: (a) articles of a kind used in machines, appliances or for other technical uses, of vulcanised rubber other than hard rubber (heading 4016), of leather or of composition leather (heading 4205) or of textile material (heading 5911); (b) supporting belts or other support articles of textile material whose intended effect on the organ to be supported or held derives solely from their elasticity (for example, maternity belts, thoracic support bandages, abdominal support bandages, supports for joints or muscles) (Section XI); (c) refractory goods of heading 6903; ceramics for laboratory, chemical or other technical uses of heading 6909; (d) glass mirrors, not optically worked, of heading 7009, or mirrors of base metal or of precious metal, not being optical elements (heading 8306 or Chapter 71); (e) goods of heading 7007, 7008, 7011, 7014, 7015 or 7017; (f) parts of general use, as defined in Note 2 to Section XV, of base metal (Section XV) or similar goods of plastics (Chapter 39); however, articles specially designed for use exclusively as parts of specific instruments or apparatus are excluded from this category; (g) pumps, compressors and fans (heading 8413, 8414 or 8421); (h) weighing machinery (heading 8423); lifting machinery (headings 8425 to 8428); (ij) paper- or paperboard-cutting machines (heading 8441); fittings for adjusting work or tools on machine tools or water-jet cutting machines, of heading 8466, including fittings with optical devices for reading scales (e.g. 'optical' dividing heads) but not those which are in themselves essentially optical instruments (e.g. alignment telescopes); (k) articles of Chapter 95. 2. Subject to Note 1 above, parts and accessories for machines, apparatus, instruments or articles of this Section are to be classified according to the following rules: (a) parts and accessories which are goods included in any of the headings of this Section or of Section XV, XVI or XVII are in all cases to be classified in their respective headings; (b) other parts and accessories, if suitable for use solely or principally with a particular kind of machine, instrument or apparatus, or with a number of machines, instruments or apparatus of the same heading, are to be classified with the machines, instruments or apparatus of that kind; (c) all other parts and accessories are to be classified in heading 9033.