The general counsel shall take charge of all suits and other legal matters to which the district is a party or in which it is legally interested. The general counsel shall give their advice or opinion in writing whenever required by the board. The general counsel shall be the legal adviser of the general manager and other district officers and shall prepare or approve the forms of all ordinances, resolutions, contracts, bonds, and other legal documents connected with the business of the district. The general counsel shall perform other and additional services that the board may require.