Data Sources & Freshness

POTAL uses 31 authoritative data sources from governments and international organizations.

Data freshness varies by source. Automated sources update daily to weekly. Manual seeds are refreshed periodically. Always verify critical decisions with official government sources.
31
Data Sources
246M+
Total Records
10
Categories

Tariff & Duty Rates (10)

SourcePublisherCoverageUpdateAutomationRows
ITC MacMap MFN Rates International Trade Centre (ITC/UNCTAD/WTO)Global (190+ countries)annualMonitor245.5M
USITC Harmonized Tariff Schedule US International Trade CommissionUnited StatesdailyAuto (Cron)12K
UK Trade Tariff HMRCUnited KingdomdailyAuto (Cron)0
EU TARIC (Combined Nomenclature) European Commission DG TAXUDEuropean Union (27 member states)dailyAuto (Cron)0
Canada Customs Tariff Canada Border Services AgencyCanadadailyAuto (Cron)0
Australia Customs Tariff Australian Border ForceAustraliadailyAuto (Cron)0
Korea Customs Service Tariff Korea Customs Service (관세청)South KoreadailyAuto (Cron)0
Japan Customs Tariff Schedule Japan Customs (税関)JapandailyAuto (Cron)0
Precomputed Landed Costs POTAL (internal)Top HS codes × Top countrieson_changeStatic118K
US Section 301/232 Additional Tariffs USTR / Commerce / White HouseUnited Stateson_changeMonitor607

Sanctions & Screening (3)

SourcePublisherCoverageUpdateAutomationRows
OFAC Specially Designated Nationals (SDN) US Treasury OFACGlobal (US sanctions jurisdiction)dailyAuto (Cron)96K
BIS Entity List & ECCN US Commerce Bureau of Industry and SecurityGlobal (US export controls)on_changeMonitor658
Embargo Programs OFAC / EU / UNGlobalon_changeMonitor30

Free Trade Agreements (1)

SourcePublisherCoverageUpdateAutomationRows
FTA Agreements Registry WTO Regional Trade Agreements Information SystemGlobal (1,319 agreements)on_changeMonitor3K

Exchange Rates (1)

SourcePublisherCoverageUpdateAutomationRows
Exchange Rates ExchangeRate-API / ECB (fallback)Global (161 currencies)dailyAuto (Cron)50

VAT/GST & Tax (6)

SourcePublisherCoverageUpdateAutomationRows
VAT/GST Rates Tax Foundation / OECD / national authoritiesGlobal (241 countries)annualStatic241
De Minimis Thresholds Global Express Association / national customsGlobal (241 jurisdictions)on_changeMonitor241
EU Reduced VAT Rates European Commission DG TAXUDEuropean Union (27 member states)annualStatic46
US State Sales Tax Tax Foundation / state governmentsUnited States (50 states + DC)annualStatic51
Digital Services Tax OECD / national authoritiesGlobal (33 jurisdictions with DST)annualStatic33
US State Nexus Thresholds State governmentsUnited States (50 states + DC)semiannualMonitor51

Trade Remedies (1)

SourcePublisherCoverageUpdateAutomationRows
AD/CVD Orders & Safeguards US International Trade AdministrationUnited States (ITC/Commerce)weeklyAuto (Cron)590

Regulatory Monitoring (4)

SourcePublisherCoverageUpdateAutomationRows
Federal Register Regulatory Updates Office of the Federal RegisterUnited StatesdailyAuto (Cron)43
EU TARIC RSS Changes European Commission DG TAXUDEuropean UniondailyMonitor0
Multi-Country Tariff Change Monitor POTAL (internal)47 countriesweeklyMonitor0
WCO News & Nomenclature Updates World Customs OrganizationGlobalmonthlyMonitor0

HS Classification (3)

SourcePublisherCoverageUpdateAutomationRows
WCO HS Nomenclature World Customs OrganizationGlobal (WCO 185 member countries)quinquennialStatic77K
Customs Rulings Database US Customs and Border ProtectionUnited States (CBP rulings)weeklyMonitor646K
HS Chapter Rules & JP Classification WCO / Japan CustomsGlobal + Japan-specificon_changeMonitor180

Restrictions & Export Control (1)

SourcePublisherCoverageUpdateAutomationRows
Import Restricted Items Various national customs authoritiesMulti-countryon_changeStatic161

country_meta (1)

SourcePublisherCoverageUpdateAutomationRows
Country Tax & Trade Profiles WTO / national authoritiesGlobal (240 countries/territories)annualStatic240

Last verified: 2026-04-17. For real-time freshness, see the Live Ticker on the homepage.