Sec. 50160. (1) This part, and the resolution authorizing the issuance of bonds under this part shall remain applicable until the principal and interest on bonds issued by a district have been fully paid or provided for. The duties of a district and its board under this part and the resolution authorizing the issuance of bonds under this part shall be enforceable by a bondholder by mandamus or other appropriate action in a court of competent jurisdiction. (2) The resolution authorizing the issuance of bonds shall provide that the bonds shall contain a recital that they are issued under this part, which recital shall be conclusive evidence of their validity and of the regularity of their issuance. (3) A resolution authorizing the issuance of bonds under this part is not effective until publication at least once in a newspaper of general circulation within the area comprised by a district or, if such a newspaper does not exist, within the nearest city or county having a newspaper of general circulation.