13. The minutes of the sittings of the board, approved by it and signed by the chairman, the secretary or a person designated by the chairman, are authentic. The same rule applies to documents or copies of documents emanating from the board or forming part of its records, when they are signed by the chairman, the secretary or the designated person.
1979, c. 86, s. 13; 1988, c. 26, s. 4.