RCW 79.02.280: Assignment of contracts or leases.

All contracts of purchase or leases issued by the department shall be assignable in writing by the contract holder or lessee and the assignee shall be subject to and governed by the provisions of law applicable to the assignor and shall have the same rights in all respects as the original purchaser, or lessee, of the lands, provided the assignment is approved by the department and entered of record in its office.