Information for Commercial Software Suppliers/Developers
This page lists services, technical specifications and information we provide for software developers.
Please use the links below to find the information you want.
Services and technical specifications
- Digital certificates
- Introduction to developing software (PDF 132K)
- EDI - technical pack for Electronic Data Interchange (EDI)
- EDI - technical pack for Reform of the Construction Industry Scheme (CIS Reform)
- Email bulletins for PAYE software developers
- Internet technical pack for agent authorisation online
- Internet technical pack for Alcohol and Tobacco Warehouse Declaration Online
- Internet technical pack for Child Trust Fund
- Internet technical pack for Corporation Tax
- Internet technical pack for Employee Share Schemes (ESS)
- Internet technical pack for Excise Movement Control System (EMCS)
- Internet technical pack for Government Gateway
- Internet technical pack for generic IRmark
- Internet technical pack for Import Control Systems (ICS)
- Internet technical pack for PAYE
- Internet technical pack for Pension Schemes Online
- Internet technical pack for Reform of the Construction Industry Scheme (CIS Reform)
- Internet technical pack for Saving Gateway
- Internet technical pack for self assessment
- Internet technical pack for stamp duty land tax
- Internet technical pack for VAT Returns & EC sales lists
- Notes for payroll software developers
- Payroll Standard Accreditation
- Quality Standard Validation Specification from April 2004
- Statutory Payments – information on impending changes
- Technical pack for NCTS
- User guides and technical specifications
- Notes for SA software developers.
