14 October 2026 (at the latest) - Category A submits to the REC; Category B submits to the Ministry of Foreign Affairs.
Before Election Day - the accreditation decision is issued and published on
rik.parlament.gov.rs (English).
25 October 2026 - observation continues through voting, vote counting, the determination of polling station results, and the handover of election materials.
Repeat elections - no new application is needed; accreditation carries over. The REC is notified only when a named observer representative changes.