With regard to the application of the provisions of Article 5, paragraph (1) to a person who, at the time this Act comes into effect, is actually conducting the business of issuing only prepaid payment instruments for their own business (meaning the prepaid payment instruments for their own business prescribed in Article 3, paragraph (4)) (excluding a person deemed under the provisions of Article 4, paragraph (1) of the Supplementary Provisions to have become an issuer of prepaid payment instruments for its own business), the phrase "since the corporation commenced to issue prepaid payment instruments for their own business" in that paragraph is deemed to be replaced with "on or after the day on which this Act comes into effect".