"Beneficiary" means any person who has received benefits or will be provided benefits under this act because of an injury for which another person may be liable. It includes such beneficiary's guardian, conservator, or other personal representative, his estate or survivors.
"Insurer" includes any insurer as defined in the act of May 17, 1921 (P.L. 789, No. 285), known as "The Insurance Department Act of one thousand nine hundred and twenty-one," including any insurer authorized under the Laws of this Commonwealth to insure persons against liability or injuries caused to another, and also any insurer providing benefits under a policy of bodily injury liability insurance covering liability arising out of ownership, maintenance or use of a motor vehicle which provides uninsured motorist endorsement of coverage pursuant to the act of July 19, 1974 (P.L. 489, No. 176), known as the "Pennsylvania No-fault Motor Vehicle Insurance Act."
62 P.S. § 1409