| Albania | al_tin | Albania Tax Identification Number |
| Andorra | ad_nrt | Andorran NRT Number |
| Angola | ao_tin | Angola Tax Identification Number |
| Argentina | ar_cuit | Argentinian Tax ID Number |
| Armenia | am_tin | Armenia Tax Identification Number |
| Aruba | aw_tin | Aruba Tax Identification Number |
| Australia | au_abn | Australian Business Number (AU ABN) |
| Australia | au_arn | Australian Taxation Office Reference Number |
| Austria | eu_vat | European VAT Number |
| Azerbaijan | az_tin | Azerbaijan Tax Identification Number |
| Bahamas | bs_tin | Bahamas Tax Identification Number |
| Bahrain | bh_vat | Bahraini VAT Number |
| Bangladesh | bd_bin | Bangladesh Business Identification Number |
| Barbados | bb_tin | Barbados Tax Identification Number |
| Belarus | by_tin | Belarus TIN Number |
| Belgium | eu_vat | European VAT Number |
| Benin | bj_ifu | Benin Tax Identification Number (Identifiant Fiscal Unique) |
| Bolivia | bo_tin | Bolivian Tax ID |
| Bosnia and Herzegovina | ba_tin | Bosnia and Herzegovina Tax Identification Number |
| Brazil | br_cnpj | Brazilian CNPJ Number |
| Brazil | br_cpf | Brazilian CPF Number |
| Bulgaria | bg_uic | Bulgaria Unified Identification Code |
| Bulgaria | eu_vat | European VAT Number |
| Burkina Faso | bf_ifu | Burkina Faso Tax Identification Number (Numéro d'Identifiant Fiscal Unique) |
| Cambodia | kh_tin | Cambodia Tax Identification Number |
| Cameroon | cm_niu | Cameroon Tax Identification Number (Numéro d'Identifiant fiscal Unique) |
| Canada | ca_bn | Canadian BN |
| Canada | ca_gst_hst | Canadian GST/HST Number |
| Canada | ca_pst_bc | Canadian PST Number (British Columbia) |
| Canada | ca_pst_mb | Canadian PST Number (Manitoba) |
| Canada | ca_pst_sk | Canadian PST Number (Saskatchewan) |
| Canada | ca_qst | Canadian QST Number (Québec) |
| Cape Verde | cv_nif | Cape Verde Tax Identification Number (Número de Identificação Fiscal) |
| Chile | cl_tin | Chilean TIN |
| China | cn_tin | Chinese Tax ID |
| Colombia | co_nit | Colombian NIT Number |
| Congo-Kinshasa | cd_nif | Congo (DR) Tax Identification Number (Número de Identificação Fiscal) |
| Costa Rica | cr_tin | Costa Rican Tax ID |
| Croatia | eu_vat | European VAT Number |
| Croatia | hr_oib | Croatian Personal Identification Number (OIB) |
| Cyprus | eu_vat | European VAT Number |
| Czech Republic | eu_vat | European VAT Number |
| Denmark | eu_vat | European VAT Number |
| Dominican Republic | do_rcn | Dominican RCN Number |
| Ecuador | ec_ruc | Ecuadorian RUC Number |
| Egypt | eg_tin | Egyptian Tax Identification Number |
| El Salvador | sv_nit | El Salvadorian NIT Number |
| Estonia | eu_vat | European VAT Number |
| Ethiopia | et_tin | Ethiopia Tax Identification Number |
| European Union | eu_oss_vat | European One Stop Shop VAT Number for non-Union scheme |
| Faroe Islands | fo_vat | Faroe Islands VAT Number |
| Finland | eu_vat | European VAT Number |
| France | eu_vat | European VAT Number |
| Georgia | ge_vat | Georgian VAT |
| Germany | de_stn | German Tax Number (Steuernummer) |
| Germany | eu_vat | European VAT Number |
| Gibraltar | gi_tin | Gibraltar Tax Identification Number |
| Greece | eu_vat | European VAT Number |
| Guinea | gn_nif | Guinea Tax Identification Number (Número de Identificação Fiscal) |
| Hong Kong | hk_br | Hong Kong BR Number |
| Hungary | eu_vat | European VAT Number |
| Hungary | hu_tin | Hungary Tax Number (adószám) |
| Iceland | is_vat | Icelandic VAT |
| India | in_gst | Indian GST Number |
| Indonesia | id_npwp | Indonesian NPWP Number |
| Ireland | eu_vat | European VAT Number |
| Israel | il_vat | Israel VAT |
| Italy | eu_vat | European VAT Number |
| Italy | it_cf | Italian Codice Fiscale Number |
| Japan | jp_cn | Japanese Corporate Number (Hōjin Bangō) |
| Japan | jp_rn | Japanese Registered Foreign Businesses' Registration Number (Tōroku Kokugai Jigyōsha no Tōroku Bangō) |
| Japan | jp_trn | Japanese Tax Registration Number (Tōroku Bangō) |
| Kazakhstan | kz_bin | Kazakhstani Business Identification Number |
| Kenya | ke_pin | Kenya Revenue Authority Personal Identification Number |
| Kyrgyzstan | kg_tin | Kyrgyzstan Tax Identification Number |
| Laos | la_tin | Laos Tax Identification Number |
| Latvia | eu_vat | European VAT Number |
| Liechtenstein | li_uid | Liechtensteinian UID Number |
| Liechtenstein | li_vat | Liechtenstein VAT Number |
| Lithuania | eu_vat | European VAT Number |
| Luxembourg | eu_vat | European VAT Number |
| Malaysia | my_frp | Malaysian FRP Number |
| Malaysia | my_itn | Malaysian ITN |
| Malaysia | my_sst | Malaysian SST Number |
| Malta | eu_vat | European VAT Number |
| Mauritania | mr_nif | Mauritania Tax Identification Number (Número de Identificação Fiscal) |
| Mexico | mx_rfc | Mexican RFC Number |
| Moldova | md_vat | Moldova VAT Number |
| Montenegro | me_pib | Montenegro PIB Number |
| Morocco | ma_vat | Morocco VAT Number |
| Nepal | np_pan | Nepal PAN Number |
| Netherlands | eu_vat | European VAT Number |
| New Zealand | nz_gst | New Zealand GST Number |
| Nigeria | ng_tin | Nigerian Tax Identification Number |
| North Macedonia | mk_vat | North Macedonia VAT Number |
| Northern Ireland | eu_vat | Northern Ireland VAT Number |
| Norway | no_vat | Norwegian VAT Number |
| Norway | no_voec | Norwegian VAT on e-commerce Number |
| Oman | om_vat | Omani VAT Number |
| Paraguay | py_ruc | Paraguayan RUC Number |
| Peru | pe_ruc | Peruvian RUC Number |
| Philippines | ph_tin | Philippines Tax Identification Number |
| Poland | eu_vat | European VAT Number |
| Poland | pl_nip | Polish Tax ID Number |
| Portugal | eu_vat | European VAT Number |
| Romania | eu_vat | European VAT Number |
| Romania | ro_tin | Romanian Tax ID Number |
| Russia | ru_inn | Russian INN |
| Russia | ru_kpp | Russian KPP |
| Saudi Arabia | sa_vat | Saudi Arabia VAT |
| Senegal | sn_ninea | Senegal NINEA Number |
| Serbia | rs_pib | Serbian PIB Number |
| Singapore | sg_gst | Singaporean GST |
| Singapore | sg_uen | Singaporean UEN |
| Slovakia | eu_vat | European VAT Number |
| Slovenia | eu_vat | European VAT Number |
| Slovenia | si_tin | Slovenia Tax Number (davčna številka) |
| South Africa | za_vat | South African VAT Number |
| South Korea | kr_brn | Korean BRN |
| Spain | es_cif | Spanish NIF Number (previously Spanish CIF Number) |
| Spain | eu_vat | European VAT Number |
| Sri Lanka | lk_vat | Sri Lanka VAT Number |
| Suriname | sr_fin | Suriname FIN Number |
| Sweden | eu_vat | European VAT Number |
| Switzerland | ch_uid | Switzerland UID Number |
| Switzerland | ch_vat | Switzerland VAT Number |
| Taiwan | tw_vat | Taiwanese VAT |
| Tajikistan | tj_tin | Tajikistan Tax Identification Number |
| Tanzania | tz_vat | Tanzania VAT Number |
| Thailand | th_vat | Thai VAT |
| Turkey | tr_tin | Turkish Tax Identification Number |
| Uganda | ug_tin | Uganda Tax Identification Number |
| Ukraine | ua_vat | Ukrainian VAT |
| United Arab Emirates | ae_trn | United Arab Emirates TRN |
| United Kingdom | gb_vat | United Kingdom VAT Number |
| United States | us_ein | United States EIN |
| Uruguay | uy_ruc | Uruguayan RUC Number |
| Uzbekistan | uz_tin | Uzbekistan TIN Number |
| Uzbekistan | uz_vat | Uzbekistan VAT Number |
| Venezuela | ve_rif | Venezuelan RIF Number |
| Vietnam | vn_tin | Vietnamese Tax ID Number |
| Zambia | zm_tin | Zambia Tax Identification Number |
| Zimbabwe | zw_tin | Zimbabwe Tax Identification Number |