A final decree of the General Court of Justice validating funding or refunding bonds or the financing or refinancing agreement shall be conclusive as to the validity of the bonds or the agreement.
The costs of any action brought under G.S. 159-74 shall be borne by the issuing unit, including a reasonable attorney's fee for the attorney assigned by the court to defend the interests of the citizens and taxpayers in general. (1931, c. 186, ss. 6, 7; 1935, c. 290, s. 3; 1971, c. 780, s. 1; 1973, c. 494, s. 12.)