Wood processing plant permit is the operating permit to sawmill, mini-sawmill, re-saw permit, plywood/veneer plants, blockboards/fiberboard/particle board and other wood based panel plants and wood treating plants. It is issued to the holders of existing timber license agreements or permits and for those non-timber holders but with approved Equity Participation Agreement maybe granted a permit not exceeding two years. Permits that maybe issued to operators other that the above shall have a duration of not more than one year. (MAO 50, series of 1986 as amended by DENR Administrative Order No. 2003-41)