77. The Minister may, every five years after approving or finalizing a general forest management plan and after giving the agreement holder an opportunity to present observations, revise the volume of timber allocated under any agreement concerning the management unit, withdraw the management unit from the agreement or add other management units to the agreement so as to reflect(1) changes in the requirements of the wood processing plant ;
(2) changes in the availability of timber from private forests or from outside Québec, changes in the availability of timber in the form of wood chips, sawdust, shavings or recycled wood fibres, and changes in the availability of volumes of timber allocated under forest management agreements or in the evaluation of the volumes that may be harvested by the holders of forest management contracts ;
(3) the average annual volume of timber, by origin, used by the plant since the beginning of the period covered by the preceding general management plans ;
(4) the annual allowable cuts assigned to the management unit in the new plan ;
(5) all the forest management activities carried out in the management unit since the beginning of the period covered by the preceding general plans, and especially the impact of those activities on the state of conservation of the forest and the forest environment and the effectiveness of the sylvicultural treatments and the other protection and conservation measures applied ;
(6) a change or lack of improvement in the industrial performance of the agreement holder in the use of ligneous matter in the processing plant mentioned in the agreement since the beginning of the period covered by the preceding general plans.