Amendments to the original timber harvesting plan may be submitted detailing proposed changes from the original plan. Substantial deviations from the original plan shall not be undertaken until the amendment has been filed with, and acted upon, by the department in accordance with Sections 4582.7 and 4583. An amendment may not extend the effective period of the plan, except as provided in Section 4590.
(Amended (as amended by Stats. 1989, Ch. 915) by Stats. 1993, Ch. 706, Sec. 9. Effective January 1, 1994.)