Combined Authority and Combined County Authority Returning Officer guidance for Combined Authority Mayoral elections

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The collation process

As CARO/CCARO you must:1

  • collate the contents of the local verification statements
  • collate the count totals for each constituent council
  • calculate and declare the overall result for the combined authority or combined county authority area

The law sets out the result collation process that must be followed. It is for you to determine how best to manage this process in your combined authority area.

The key steps are summarised in the next three pages.

Combination

In areas where two or more polls are combined, the Returning Officer or Counting Officer taking on the combined functions will be responsible for the verification. Your power of direction does not extend to such Returning Officers or Counting Officers.

Last updated: 19 June 2026