27. The duties paid by the holder of an in-hall bingo licence or a media bingo licence pursuant to subparagraph 1 or 4 of the first paragraph of section 9 of the Regulation respecting bingos (O.C. 1270-97, 97-09-24) for every bingo event authorized by the holder’s licence and planned after 31 May 2008 are refunded to the holder.