You are in the Senedd election 2026: Party spending section Home … Senedd election 2026: Party spending … Senedd election 2026: Party spending Print this page | Print full guidance Campaign reporting deadlines The date by which you must report to us depends on how much you spent on your campaign. The deadlines are shown below.Campaign expenditure of £250K or below Campaign expenditure of over £250KReport within three months of the election1 Report within six months of the election2 Friday 7 August 2026Saturday 7 November 2026You may be liable for a penalty if you don’t submit your return on time.If your campaign expenditure is over £250k you must include an independent auditor’s report.3 For more information see this document: Auditor's guidance and template report for party spending returns (Senedd election) 1. Section 82(2) Political Parties, Elections and Referendums Act 2000 (PPERA) ↩ Back to content at footnote 1 2. S.82(1) PPERA ↩ Back to content at footnote 2 3. S.81 PPERA ↩ Back to content at footnote 3 Last updated: 16 March 2026 Book traversal links for Senedd election 2026: Party spending Your spending return Our approach to enforcement Modal Title