(1) It is a defense to a prosecution for 162.065 (perjury) or 162.075 (false swearing) committed in an official proceeding that the defendant retracted the false statement:

(a) in a manner showing a complete & voluntary retraction of the prior false statement AND

(b) during the course of the same official proceeding in which it was made AND

(c) before the subject matter of the official proceeding is submitted to the ultimate trier of fact.

(2) official proceeding, as used in this section, means a proceeding before any judicial, legislative or administrative body or officer, during which sworn statements are received, & includes any referee, hearing examiner, commissioner, notary or other person taking sworn statements in connection with such proceedings. Statements made in separate stages of the same trial or administrative proceeding are considered to have been made in the course of the same proceeding