False declaration, etc., for marriage

Every person who in any declaration, certificate, licence, document or statement, required by law to be made or issued for the purposes of a marriage, declares, enters, certifies or states, any material matter which is false shall, (a) if he does so without having taken reasonable means to ascertain the truth or falsity of such matter, be liable to imprisonment for one year; (b) if he does so knowing that such matter is false, be liable to imprisonment for five years.