The Mid-Year Expenditure Report (MYER) was introduced in 2016 as a part of the Budgetary cycle. It provides the pre-Budget baseline for cross-Departmental expenditure.
It is published every summer, which gives enough time in advance of the Budget to examine priorities as well as to identify areas where there could be significant expenditure pressures or risks.
In general, chapter 1:
Chapter 3 summarises the findings of the Spending Review, although this is not directly related.