Regulation (EEC) No 863/91 is hereby amended as follows:
1. Article 2 (1) is replaced by the following:
'1. The butter shall be sold ex-cold storage plant under a standing invitation to tender until 31 October 1991.'
2. Article 5 is amended as follows:
(a) the first indent of the first subparagraph of paragraph 1 is replaced by the following:
'- a security guaranteeing compliance with the primary requirement that the butter be imported into the country of destination; notwithstanding Article 17 (1) of Council Regulation (EEC) No 3665/85 (*), importation must be effected not later than 31 December 1991;
(*) OJ No L 354, 30. 12. 1985, p. 1.'
(b) in paragraphs 2 and 3 the date '31 August 1991' is replaced by '30 November 1991'.