Article 23b 11.

Notwithstanding point (c) of paragraph (5) of this Article, a replacement for a benchmark designated by the Commission in accordance with paragraph 2 of this Article shall not apply where all parties or the required majority of parties to a contract or financial instrument referred to in Article 23a have agreed to apply a different replacement for a benchmark whether before or after the date of application of the implementing act referred to in paragraph 8 of this Article.