Section 4. This Act shall have retroactive effect and any restriction regarding acquisitions, encumbrances, conveyances, transfers, or dispositions imposed on agricultural free patents issued under Section 44 of Commonwealth Act No. 141, as amended, before the effectivity of this Act shall be removed and are hereby immediately lifted: Provided, That nothing in this Act shall affect the right of redemption under Section 119 of Commonwealth Act No. 141, as amended, for transactions made in good faith prior to the effectivity of this Act.