If the proceeds from the special tax levied pursuant to Section 26100 will not raise fifty thousand dollars ($50,000) in any one year, the board may appropriate from the general fund of the county an amount sufficient to make up the deficiency existing between the amount raised as the result of the special tax and fifty thousand dollars ($50,000).

The tax authorized by this chapter is in addition to any tax authorized by this part to be levied for fair purposes.

The board may use any portion of the fund raised pursuant to this chapter in furnishing music and musical appearances, either within or outside of the boundaries of its county, in connection with, as an adjunct to, or for the purpose of supplementing and calling attention to advertising, exploiting, and making known the resources of the county and its name. The board may furnish such music by entering into contracts, with or without competitive bidding, with individual musicians, orchestras, bands, or other musical organizations.

The board of supervisors may create a body for the purpose of advising and assisting it in the matter of advertising, exploiting, and making known the resources of the county, for the purposes of this chapter. The body shall be designated by the board as the county board of trade of the county or the county chamber of commerce of the county or such other title as shall be given the body by resolution of the board of supervisors. It shall consist of representatives from the supervisorial districts who shall be appointed by the board of supervisors and hold office at the pleasure of the board of supervisors. The board of supervisors shall determine the number of members of the body, except that the districts must be equally represented and there shall be not more than two members from each district.

The board of supervisors shall adopt rules for conducting the affairs of the board of trade or chamber of commerce, which shall not conflict with law nor usurp the powers vested by law in any officer of the county.

Under the direction of the board of supervisors, the county board of trade or county chamber of commerce shall advertise, exploit, and make known and exhibit the agricultural, mineral, manufacturing, and other resources of the county, and, when directed by the board of supervisors, collect, prepare, and maintain an exhibit of the products and industries of the county at any domestic or foreign exposition.

The board of supervisors may appoint a secretary to the county board of trade or county chamber of commerce and may fix his salary, which shall be paid from the advertising fund of the county in the same manner as county officers are paid.

The board of supervisors may provide that the members of the county board of trade or county chamber of commerce established under Section 26104 shall receive their actual and necessary traveling expenses to and from the place of meeting of such board or chamber of commerce and while traveling in connection with the business thereof; provided, that no such expenses shall be paid for travel outside the limits of this State. The members of such board of trade or chamber of commerce shall serve with or without compensation at the discretion of the board of supervisors. If compensation is authorized by the board of supervisors it shall not exceed twenty-five dollars ($25) per meeting for not more than one meeting of the commission in any one calendar month.

A county board of supervisors may, by ordinance, provide for and regulate the sale of advertising space on county real or personal property, for the sole purpose of raising revenue for the county. Any such advertising shall comply with the provisions of Chapter 2 (commencing with Section 5200) of Division 3 of the Business and Professions Code. Nothing in this section shall be construed to empower a county to place or maintain an advertising structure, as defined in Section 5203 of the Business and Professions Code.