With regard to a hospital or clinic that, at the time of enforcement of the provisions set forth in Article 1, item (i) of the Supplementary Provisions, has actually received designation under Article 43-3, paragraph (1) of the Former Health Insurance Act, the provisions of Article 43-3, paragraph (4) of the Revised Health Insurance Act (excluding as applied mutatis mutandis pursuant to paragraph (6) of that Article) do not apply until the date specified by Cabinet Order within a period not exceeding two years from the date of promulgation.