Client - MTD Annual Submissions
Year-end adjustments, allowances and non-financial declarations for a client's MTD Income Tax income sources. Unlike a quarterly update these are data updates rather than filings with deadlines: HMRC holds the authoritative values, a save replaces them in full, and the retrieve re-shows whatever software last sent them. Who sent or deleted a submission from Sodium is recorded separately, because HMRC's own retrieve never says.
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GET Get Annual SubmissionReturns the year-end submission HMRC currently holds for one income source and tax year, whichever software sent it, together with who last sent or de.../tenants/{tenant}/clients/{client}/mtd/annual-submissions/{businessId}/{taxYear}
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PUT Save Annual SubmissionSends the year-end values for one income source and tax year to HMRC. This is a full replacement of what HMRC holds — anything omitted is cleared — so.../tenants/{tenant}/clients/{client}/mtd/annual-submissions/{businessId}/{taxYear}
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DELETE Delete Annual SubmissionDeletes the year-end submission HMRC holds for one income source and tax year, removing the adjustments and allowances from their computation. Who del.../tenants/{tenant}/clients/{client}/mtd/annual-submissions/{businessId}/{taxYear}