Common Law Procedure Act 1854

XXIPersons making a false Affirmation, be subject to the same Punishment as for Perjury.

If any Person making such solemn Affirmation or Declaration shall wilfully, falsely, and corruptly affirm or declare any Matter or Thing, which, if the same had been sworn in the usual Form, would have amounted to wilful and corrupt Perjury, every such Person so offending shall incur the same Penalties as by the Laws and Statutes of this Kingdom are or may be enacted or provided against Persons convicted of wilful and corrupt Perjury.