This directory combines historical reference rows with separately labelled national sources. Read the source title, observation date, printed units and conditions on each entry. National source observations do not establish all measures applicable to a shipment.

Section XVIII: Optical, photographic, measuring, medical instruments

أجهزة وأدوات بصرية وطبية وقياس

Chapters 90–92

Chapter	Description	Tariff Lines
90		386
91		108
92		42

Data source: ZATCA (Zakat, Tax and Customs Authority). Historical reference rates exclude VAT, excise and other national measures. Separate national entries preserve the columns printed by their source; these are not a complete shipment assessment. Full disclaimer.