(a) Required for its convenient accommodation in the transaction of its business with reasonable regard to future needs; including residential real estate purchased from employes transferred or about to be transferred to new places of employment with such company.

(b) Acquired in satisfaction or on account of loans, mortgages, liens, judgments or decrees, previously owing to it in the course of its business;

(c) Acquired in part payment of the consideration of the sale of real property owned by it if the transaction shall result in a net reduction in the company's investment in real estate;

(d) Reasonably necessary for the purpose of maintaining or enhancing the sale value or real property previously acquired or held by it under subsections (a), (b) or (c) of this section;

(e) Deleted by amendment. 1986, June 11, P.L. 226, No. 64, § 7, imd. effective.

(f) Purchased, leased or owned for residential, business, commercial or industrial use, or for development, improvement, maintenance or construction and maintenance. The aggregate cost of investments in unimproved real estate under this subsection shall not, however, exceed the lesser of ten per centum (10%) of the company's admitted assets or forty-five per centum (45%) of its capital and surplus. Investments under this subsection, including investments in limited partnership interests or other entities where said entities are engaged primarily in holding real estate or interests therein under this subsection and corporations which are engaged primarily in holding real estate or interests therein as defined in this subsection and the majority of whose voting securities are owned directly or indirectly through one or more intermediaries, shall not exceed twenty-five per centum (25%) of such company's admitted assets.