61. A certified association shall be subrogated by operation of law in all the rights and obligations resulting from a collective agreement in force and made by another association; but it may terminate the same or declare it null by written notice sent to the employer and the labour commissioner general.
R. S. 1964, c. 141, s. 49; 1969, c. 47, s. 29; 1977, c. 41, s. 1.