(12)To ensure a clear and foreseeable application of the limitation periods for requests for restatements or revisions of information submitted for the calculation of annual contributions, those limitation periods should apply for the 2026 contribution period onwards, i.e. from 1 January 2026. The transitional limitation period, establishing a final deadline of 31 January 2031, should apply to requests relating to contribution periods preceding the 2026 contribution period.