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The requirements for packaging LHGW
Technical specifications for developing software to send information to Companies House digitally.
Minimum technical specification for manufacturers of chargepoint units for residential properties covered by OZEV chargepoint grant schemes.
Returns technical specifications for Self Assessment Online software developers.
Internet submissions technical specifications for Real Time Information online software developers.
Find technical specifications for software developers working with the Pension Schemes Online service.
Guidance for child health information system (CHIS) providers on information requirements, and suppliers on specifications for collecting and reporting data.
Guidance on out of specification investigations, including definitions and laboratory analysis and phase I,II and III investigations.
Charities repayments claims technical specifications for software developers.
Use this technical documentation for individual returns if you're a software developer working with the Self Assessment online service.
Chargepoint and infrastructure specifications and claim guidance for electric vehicle chargepoint and infrastructure grants.
Technical specifications for New Computerised Transit System (NCTS) software developers.
Find out technical specifications if you're a Pension Schemes Online software developer.
Use this guidance for support if you're a software developer working with the Self Assessment Online service.
Find out about the Excise Movement Control System (EMCS) specifications for software developers.
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