Section 53.4944-6 - Special rules for investments made prior to January 1, 1970(a) Except as provided in paragraph (b) or (c) of this section, an investment made by a private foundation prior to January 1, 1970, shall not be subject to the provisions of section 4944.(b) If the form or terms of an investment made by a private foundation prior to January 1, 1970, are changed (other than as described in paragraph (c) of this section) on or after such date, the provisions of § 53.4944-1(a)(2)(iii) shall apply with respect to such investment.(c) In the case of an investment made by a private foundation prior to January 1, 1970, which is exchanged on or after such date for another investment, for purposes of section 4944 the foundation will be considered to have made a new investment on the date of such exchange, unless the post-1969 investment is described in § 53.4944-1(a)(2)(ii) (b). Accordingly, a determination, under § 53.4944-1(a) (2)(i) , whether the investment jeopardizes the carrying out of the foundation's exempt purposes shall be made at such time.