Article 11
1. Member States may authorise the use of existing stocks of the journey forms, applications for authorisation, authorisations and certificates drawn up in conformity with Regulation (EC) No 2121/98 until 31 December 2015. 2. The other Member States shall accept the journey forms and the applications for authorisation on their territory until 31 December 2015. 3. The authorisations and certificates drawn up in conformity with Regulation (EC) No 2121/98 and issued before 31 December 2015 will remain valid until the date of their expiry.