Article 12 — Procedure for requests for mutual assistance

1. The applicant enforcement authority shall, when making a request for mutual assistance: (a) state as the legal basis for that request this Regulation, the national law transposing Directive (EU) 2019/633, and the corresponding provisions of Article 1(2) and Article 3(1) and (2) of Directive (EU) 2019/633, state the purpose of the request, including a description of the cross-border dimension of the alleged unfair trading practice, and specify the information requested under Article 7(1) or the enforcement measures requested under Article 8 or 9 of this Regulation; (b) provide any additional relevant information necessary to enable the requested enforcement authority to fulfil the request, including any information that can be obtained only in the Member State of the applicant enforcement authority. 2. Requests for mutual assistance and all communications linked to them shall be made in writing. Standard forms for requests for mutual assistance shall be used where they have been laid down by the Commission. 3. The Commission may adopt implementing acts laying down standard forms for the requests for mutual assistance referred to in paragraph 2. Those implementing acts shall be adopted in accordance with the examination procedure referred to in Article 32.