A defense community that has prepared a comprehensive defense community strategic impact plan described by § 397.003 is encouraged to develop, in coordination with the authorities of each military base or defense facility associated with the community, a planning manual based on the proposals contained in the plan. The manual should adopt guidelines for community planning and development to further the purposes described under § 397.002. The defense community should, from time to time, consult with military base or defense facility authorities regarding any changes needed in the planning manual guidelines adopted under this section.