Final answer:
The exact number of Board members required to hold a practicing license issued by the Board is not specified in the information provided. Occupational licenses are common in various professions and are used to regulate and ensure competence in the labor market. Specific board regulations will determine the requirement for licensure among members.
Step-by-step explanation:
The number of Board members who must hold a practicing license issued by the Board is not explicitly stated in the provided information. To ensure quality within the labor market, occupational licenses are common requirements for professionals such as doctors, teachers, nurses, engineers, accountants, and lawyers, among others in various professions. These licenses are typically issued by government agencies as a form of regulation and proof of competence. The requirement for board members to hold a license would depend on the specific regulations and bylaws of the board in question, which govern its composition and the qualifications of its members. Additionally, considerations like quorums in business meetings, usually a majority of the members present, might influence the presence of licensed professionals on the Board.