The penalty of prision mayor in its minimum period shall be imposed upon any person who, knowingly making untruthful statements and not being included in the provisions of the next preceding articles, shall testify under oath, or make an affidavit, upon any material matter before a competent person authorized to administer an oath in cases in which the law so requires. Any person who, in case of a solemn affirmation made in lieu of an oath, shall commit any of the falsehoods mentioned in this and the three preceding articles of this section, shall suffer the respective penalties provided therein: Provided, That is the person responsible for the commission of this felony is a public officer or employee, the penalty shall be imposed in its maximum period: Provided, finally, That the offender shall also suffer a fine not to exceed One million pesos (P1,000,000.00) and perpetual absolute disqualification from holding any appointive or elective position in the government or in any agency, entity, or instrumentality thereof.