Whoever, having been sworn or affirmed under § 121(a)(13) of this title to tell the truth, wilfully gives false testimony, is guilty of false swearing and shall be punished as perjury is punished.
32 Del. Laws, c. 160, § 7; Code 1935, § 2629; 14 Del. C. 1953, § 129; 71 Del. Laws, c. 180, § 10.