(a) The commission should institute and carry out a continuing survey of the county to determine the existence of historic buildings and other historical and archeological sites, private archeological collections, important endangered properties, or other historical features within the county, and should report the data collected to the commissioners court and the Texas Historical Commission.
(b) The commission should develop and maintain its inventory of surveyed individual properties and districts in accordance with standards established by the Texas Historical Commission.
(c) The commission should establish a system for the periodic review and assessment of the condition of designated properties in the county, including Recorded Texas Historic Landmarks, State Archeological Landmarks, and individual historic properties or districts listed in the National Register of Historic Places. The commission should report the results of the review and assessment to the Texas Historical Commission.