art_5__para_1__text_1
Any change in the details referred to in Articles 2 (2) and 4 (1) must be the subject of a written document to be given by the employer to the employee at the earliest opportunity and not later than one month after the date of entry into effect of the change in question.
Source: EUR-Lex (Cellar) · retrieved 2026-10-12 · Text as adopted (Official Journal); later amendments are not incorporated in this text.