(a) Except as specified in (b) of this section, in the administration of a trust that is a private foundation, as defined in 26 U.S.C. 509 (Internal Revenue Code of 1954), charitable trust, as described in 26 U.S.C. 4947(a)(1) (Internal Revenue Code of 1954), or split-interest trust, as described in 26 U.S.C. 4947(a)(2) (Internal Revenue Code of 1954), the trust instrument of the trust is considered to contain provisions prohibiting the trustee from
- (1) engaging in an act of self-dealing, as defined in 26 U.S.C. 4941(d) (Internal Revenue Code of 1954), that would give rise to liability for the tax imposed by 26 U.S.C. 4941(a) (Internal Revenue Code of 1954);
- (2) retaining excess business holdings, as defined in 26 U.S.C. 4943(c) (Internal Revenue Code of 1954), that would give rise to liability for the tax imposed by 26 U.S.C. 4943(a) (Internal Revenue Code of 1954);
- (3) making an investment that would jeopardize the carrying out of any of the exempt purposes of the trust, within the meaning of 26 U.S.C. 4944 (Internal Revenue Code of 1954), so as to give rise to liability for the tax imposed by 26 U.S.C. 4944(a) (Internal Revenue Code of 1954); and
- (4) making taxable expenditures, as defined in 26 U.S.C. 4945(d) (Internal Revenue Code of 1954), that would give rise to liability for the tax imposed by 26 U.S.C. 4945(a) (Internal Revenue Code of 1954).