Admissibility of evidence obtained in violation of part

No evidence obtained in a manner which violates any of the provisions of this part shall be admissible in any court of this state except to prove violations of this part. (Ga. L. 1967, p. 844, § 1; Code 1933, § 26-3007, enacted by Ga. L. 1968, p. 1249, § 1.)