- Authorised Economic Operator (AEO)
- Autonomous tariff suspensions and quotas
- European Binding Tariff Information (EBTI)
- Surveillance system
- Tariff quota database (QUOTA)
- Automated Export System (AES)
- Counterfeit and Anti-Piracy Information System (COPIS)
- Customs Decisions System (CDS)
- European Customs Inventory of Chemical Substances (ECICS)
- Classification Information System (CLASS)
- Inter Laboratory Inventory of Analytical Determination (ILIADe)
- Sampling Manual for Customs & Taxation Authorities (Samancta)
- EU Customs Tariff (TARIC)
- Information Sheet System for Special Procedures (INF SP)
- European Customs Inventory of Chemical Substances (ECICS)
- Economic Operators Registration and Identification (EORI)
- EU Customs Data Model (EUCDM)
- EU Customs Trader Portal (EUCTP)
- Guarantee Management System (GUM)
- Movement Reference Number (MRN) Follow-up
- New Computerised Transit System (NCTS)
- Proof of Union Status (PoUS)
- Registered Exporter (REX) system
- Reference Data (RD) and Customs Office List (COL)
- Uniform User Management & Digital Signatures (UUM&DS)
- ARC follow-up – Administrative Reference Code
- MASP-T
- SAMANCTA - Sampling manual for customs & taxation authorities
- SEED - System for Exchange of Excise Data
- TIC - Taxation Information and Communication
- Taxes in Europe database (TEDB)
- Taxpayer Identification Number (TIN)
- VIES - VAT Information Exchange System
Migration of UUM&DS type D user accounts to EU-Login user accounts