A board of library trustees may appoint, by resolution or other order entered in the minutes of the board of library trustees, a library commission consisting of five members to manage and operate the library or libraries of the district. Before any board of library trustees appoints a library commission as provided herein, the board of library trustees shall hold at least one public hearing on the matter of the creation of a library commission; notice of such hearing shall be given by publication pursuant to Section 6066 of the Government Code, in a newspaper designated by the board of library trustees and circulated throughout the district, and by posting of the notice in three public places in the district at least 15 days prior to the date of the public hearing.