Where, after an insurer invests in an entity for special projects, public utilities and social welfare enterprises, the said entity is qualified to accept investments under Subparagraph 3 or 4 of Paragraph 1 of Article 146-1 of the Act, the investments in such entity shall be governed by the provisions of the said Subparagraph instead, provided that if the said investment exceeds such limits as are prescribed in Subparagraph 3 or 4 of Paragraph 1 of Article 146-1 of the Act instead, provided that if the said investment exceeds the ratio as prescribed in Subparagraph 3 or 4 of Paragraph 1 or Paragraph 2 of Article 146-1 of the Act, no additional funds shall be invested in the entity unless the additional investment is made to maintain the original equity share in the entity.