61 Pa. Code § 93.131
(b) Definitions. The following words and terms, when used in this section, have the following meanings, unless the context clearly indicates otherwise:
Employment benefit plans—Payments under pension, stock bonus, profit-sharing and other retirement plans including, but not limited to, H. R. 10 plans, individual retirement accounts, individual retirement annuities and individual retirement bonds.
Life insurance contracts—A contract possessing features of risk shifting and risk distribution, between the holder of a policy and an insurance company under which the company agrees, in return for the payment of premiums, to pay a specified sum to the designated beneficiaries upon the death of the insured. For purposes of this section, a life insurance contract does not include a matured endowment policy or a policy where the decedent’s only rights, at the time of his death, were to receive a refund under the policy.
(c) Life insurance contract.
(d) Employment benefit plans.
(1) General rule. Payments received from employment benefit plans will be exempt from the inheritance tax to the extent that one of the following exist:
(2) Exceptions.
(i) To the extent that a decedent, before death, possessed rights in an employment benefit plan beyond those described in paragraph (1)(iii), payments received from the plan will be subject to the tax unless exempted under paragraph (1)(i) or (ii) or otherwise exempt by statute. Rights under a plan which would subject the plan’s payments to the tax include, but are not limited to: