On the trial, the applicant is not precluded by the return from any valid objection to its sufficiency, and may countervail it by proof either in direct denial or by way of avoidance.
(Amended by Stats. 1971, Ch. 1475.)
Section 1091
Code Civ. Proc. § 1091, under Writ of Mandate [[1084.] - [1097.]].
Code Civ. Proc. § 1091