об ответственности за дачу ложных показаний предупреждён(I understand that a person who intentionally makes a false statement in a statutory declaration is guilty of an offense under Section [...] of the [...] and I believe that the statements in this declaration are true in every particular.4uzhoj)
дача заведомо ложных показаний(A person who intentionally makes a false statement in a statutory declaration is guilty of an offense, the punishment for which is imprisonment for a term of 4 years – see Section 11 of the Statutory Declarations Act 1959.4uzhoj)
лжесвидетельство(e.g., a judge found him guilty of making a false statement and he was sentenced to three years' probation and a $600 (£400) fine; BBC News Alex_Odeychuk)