 | ANDORRA | Ministry of Finance | http://www.finances.ad |
| ARGENTINA | Federal Administration of Public Revenues | http://www.afip.gov.ar/ |
| AUSTRALIA | Australian Taxation Office | http://www.ato.gov.au/ |
| AUSTRIA | Federal Ministry of Finance | http://www.bmf.gv.at/ |
| AZERBAIJAN | Ministry of Taxation | http://www.taxes.gov.az/ |
| BANGLADESH | National Board of Revenue | http://www.nbr-bd.org/ |
| BELGIUM | Administration of the Treasury | http://www.treasury.fgov.be/ |
| BERMUDA | Office of the Tax Commissioner | http://www.taxbermuda.gov.bm/ |
| BHUTAN | Ministry of Finance | http://www.mof.gov.bt/ |
| BOLIVIA | National Service of Internal Revenues | http://www.impuestos.gov.bo/ |
| BOSNIA AND HERZEGOVINA | Federal Ministry of Finance | http://www.fmf.gov.ba/ |
| BRAZIL | Federal Revenue and Customs Administration | http://www.receita.fazenda.gov.br/ |
 | BULGARIA | Ministry of Finance | http://www.minfin.bg |
| CANADA | The Canada Revenue Agency (CRA) | http://www.ccra-adrc.gc.ca/ |
| CHAD | General Inspectorate of Finances | http://finances.gouv.td/ |
| CROTIA | Tax Administration | http://www.porezna-uprava.hr/en/pages/default.aspx |
 | CZECH REPUBLIC | Ministry of Finance of the Czech Republic | http://www.mfcr.cz/cps/rde/xchg/ |
 | DENMARK | The Danish Ministry of Taxation | http://www.skm.dk |
| DOMINICAN REPUBLIC | General Directorate of Internal Revenue | http://www.dgii.gov.do/ |
 | ESTONIA | Estonian Tax and Customs Board | http://www.emta.ee/ |
| FAROE ISLANDS | Customs and Tax Authority | http://www.taks.fo/ |
 | FINLAND | Finnish Tax Administration | http://www.vero.fi/ |
| FRANCE | Fiscal Administration | http://www.impots.gouv.fr/ |
| GERMANY | Federal Central Offıce For Taxes | http://www.bzst.bund.de/ |
 | GREECE | Ministry of Economy and Finance General Secretariat for Public Revenue | http://www.mnec.gr/?q=en http://www.publicrevenue.gr/kpi/ |
| GUAM | Department of Revenue and Taxation | https://www.guamtax.com |
| HONG KONG | Internal Revenue Department | http://www.ird.gov.hk/ |
 | HUNGARY | Tax Board | http://en.nav.gov.hu/ |
| ICELAND | Internal Revenue Directorate | http://www.rsk.is/ |
| INDIA | Ministry of Finance and Company Affairs | http://finmin.nic.in/ |
| INDONESIA | Directorate General of Taxes | http://www.pajak.go.id/ |
| IRAN | State Tax Organization | http://statetaxorganization.ir/ |
| IRELAND | Revenue Commissioners | http://www.revenue.ie/ |
| ISRAEL | Income Tax Commission | http://www.taxes.gov.il |
| ITALY | Tax Administration Department of Fiscal Policies | http://www.agenziaentrate.it/ilwwcm/connect/Nsi/ http://www.finanze.it/ |
| JAPAN | National Tax Agency | http://www.nta.go.jp/ |
| KENYA | Revenue Authority | http://www.revenue.go.ke/ |
| LATVIA | Ministry of Finance State Revenue Service | http://www.fm.gov.lv/ http://www.vid.gov.lv |
 | LITHUANIA | State Tax Inspectorate | http://www.vmi.lt/lt/ |
 | LUXEMBOURG | Ministry of Finance Customs and Excises Administration | http://www.fi.etat.lu http://www.do.etat.lu/acc/main.htm |
| MALAYSIA | Inland Revenue Board | http://www.hasilnet.org.my/ |
 | MALTA | Inland Revenue | http://www.ird.gov.mt |
| MONACO | Department of Finance and of the Economy | http://www.gouv.mc/ |
| MOROCCO | Directorate of Taxes | http://www.finances.gov.ma |
| MYANMAR | Ministry of Finance and Revenue | http://www.myanmar.com/Ministry/finance/ |
| NEPAL | Department of Taxation | www.ird.gov.np |
| NETHERLANDS | Tax and Customs Administration | http://www.belastingdienst.nl/ |
| NEW ZEALAND | Inland Revenue Department | http://www.ird.govt.nz/ |
| NICARAGUA | General Directorate of Revenues | http://www.dgi.gob.ni/ |
 | NORWAY | Ministry of Finance | http://www.finans.dep.no |
| PAKISTAN | Central Board of Revenue | http://www.cbr.gov.pk/ |
| PERU | Ministry of Public Revenues | http://www.mpfn.gob.pe/ |
| PHILIPPINES | Bureau of Internal Revenue | http://www.bir.gov.ph/ |
 | POLAND | Ministry of Finance Republic of Poland | http://www.mofnet.gov.pl/aktualnosci/index.php |
| PORTUGAL | General Directorate of Taxes | http://www.dgci.min-financas.pt/ |
| PUERTO RICO | Department of Finance | http://www.hacienda.gobierno.pr/ |
 | ROMANIA | Ministry of Public Finance | http://www.mfinante.ro/ |
| SAINT LUCIA | Internal Revenue Department | http://irdstlucia.gov.lc/ |
| SINGAPORE | Inland Revenue Authority of Singapore (IRAS) | http://www.iras.gov.sg/ |
 | SLOVAKIA | Ministry of Finance of the Slovak Republic | http://www.finance.gov.sk/ |
 | SLOVENIA | Ministry of Finance Republic of Slovenia | http://www.gov.si/mf/angl/index.htm |
| SOUTH AFRICA | South African Revenue Services (SARS) | http://www.sars.gov.za/ |
| SOUTH KOREA | National Tax Service | http://www.nts.go.kr |
 | SPAIN | Tax Administration | http://www.aeat.es |
| SRI LANKA | Department of Inland Revenue | http://www.ird.gov.lk |
 | SWEDEN | National Tax Board of Sweden | http://skatteverket.se/ |
| SWITZERLAND | Federal Tax Administration | http://www.estv.admin.ch/ |
| TAIWAN | National Tax Administration | http://www.ntbt.gov.tw/ |
| TANZANIA | Tanzania Revenue Authority | http://www.tra.go.tz/ |
| UGANDA | Uganda Revenue Authority | http://www.ura.go.ug |
 | UKRAINE | State Tax Administration | http://www.sta.gov.ua |
| UNITED KINGDOM | Inland Revenue | http://www.hmrc.gov.uk |
| UNITED STATES | Internal Revenue Service (IRS) | http://www.irs.gov/ |
| ZAMBIA | Zambia Revenue Authority | http://www.zra.org.zm/ |