§224. Certificates of indebtedness; payment; interest; issuance
Certificates of indebtedness shall be made due and payable annually, the last not later than March 1st of the year following the last of those years in which the special taxes so dedicated are to be levied; the certificates of indebtedness shall bear a rate of interest not greater than six per cent, shall be issued in such a manner and form as the governing authority issuing them provides by ordinance, and when issued, as herein prescribed, shall be legal and valid obligations of the municipality or parish for and on whose behalf they have been issued.