Authority to hire special counsel; consent to other representation

Notwithstanding any charter provision to the contrary, the governing body of every municipality shall have plenary power and authority by ordinance to authorize the mayor to employ within the limit of funds available for such purpose, in lieu of or in addition to the municipal attorney or municipal solicitor and any assistant municipal attorneys or assistant municipal solicitors, an attorney or firm of attorneys as special municipal counsel to represent the municipality in connection with any legal matter or matters. The ordinance authorizing such employment shall be the consent on behalf of the municipality to such attorney or firm of attorneys to represent other clients in other legal matters involving such municipality, but at the time of representation of any such other client in any such other legal matter in controversy directly involving such municipality, such attorney or firm of attorneys shall file with the recorder as a public record a statement of disclosure identifying such other client and the nature of the matter in controversy directly involving such municipality.