(1) The state forest land management rules, ARM 36.11.403 through 36.11.450, shall apply to forest management activities on all forested state trust lands administered by the department.

(2) The department shall not require that ARM 36.11.403 through 36.11.450 be implemented on projects that, prior to the adoption of the rules, have gone through the MEPA public scoping process, except the department shall review those timber sales where old growth was proposed for harvesting that were developed using the state forest land management plan biodiversity guidance of 1998 to ensure compliance with ARM 36.11.404 through 36.11.429.