| No | Purpose | Hyperlink | Issuer | Date added |
|---|---|---|---|---|
| 1 | Airport codes | https://www.iata.org/en/publications/directories/code-search/ | IATA | 2022-05-09 |
| 2 | HS_ProductCodes | https://www.trade.gov/harmonized-system-hs-codes | ITA International Trade Administration | 2022-05-24 |
| 3 | CN_CombinedNomenclature | https://ec.europa.eu/taxation_customs/business/calculation-customs-duties/customs-tariff/combined-nomenclature_en | EU | 2022-05-24 |
| 4 | DPP_DigitalProductPassport | https://ec.europa.eu/commission/presscorner/detail/en/ip_22_2013 | EU | 2022-05-24 |