Making Tax Digital (MTD)
An HMRC initiative, and for Self-Assessment, it is known as MTD for ITSA.
Digital start date
Your first day under MTD.
Obligation period
The quarterly period you are sending returns in for.
End of period statement (EOPS)
The annual version of the summed quarterly periods plus adjustments for
allowances, reliefs, disallowable expenses, etc. The taxpayer must declare
this to be an accurate statement following any adjustments. Additionally,
this identifies the properties which form part of a property business.
Final Declaration (Crystallisation)
The final declaration including all sources of income, e.g., dividend and
interest received and losses. HMRC have indicated they will provide a
submission interface for filing this without the need for software.