At least once every 10 years, each planning commission shall review the comprehensive plan and, if necessary, revise or amend the comprehensive plan to include all: the elements required under Part II of this subtitle; and the planning principles set forth in § 1–201 of this title. The planning commission may prepare comprehensive plans for one or more geographic sections or divisions of the local jurisdiction if the plan for each geographic section or division is reviewed and, if necessary, revised or amended at least once every 10 years. A planning commission shall notify the Department of Planning when beginning a review in accordance with subsection (a) of this section. Within 60 days after receiving a notification under this subsection, the Department of Planning shall provide the planning commission with guidance materials relating to State laws, best practices for local comprehensive plans, and any other resources that may support the review, revision, or amendment of the comprehensive plan. The Department of Planning shall develop and maintain the guidance materials described in paragraph (2) of this subsection in consultation with other State agencies and offices as the Department considers appropriate.