Forest practices classified by WAC 222-16-050 as Class I, II, III, IV-General, and IV-Special that are within urban growth areas designated under RCW 36.70A.110, except for forest practices on ownerships of contiguous forestland equal to or greater than 20 acres where the applicant provides to the department and the Washington State Department of Natural Resources (DNR) a written statement of intent, signed by the forest landowner(s), not to convert to a use other than growing commercial timber for 10 years. This statement must be accompanied by either:
(i)
A written forest management plan acceptable to the department; or
(ii)
Documentation that the land is enrolled as forestland of long-term commercial significance under the provisions of Chapter 84.33 RCW;