13 Pa.C.S. § 8201: Issuer.

(a) General rule.--With respect to an obligation on or a defense to a security, an "issuer" includes a person that:

(1) places or authorizes the placing of its name on a security certificate, other than as authenticating trustee, registrar, transfer agent or the like, to evidence a share, participation or other interest in its property or in an enterprise, or to evidence its duty to perform an obligation represented by the certificate;

(2) creates a share, participation or other interest in its property or in an enterprise or undertakes an obligation, that is an uncertificated security;

(3) directly or indirectly creates a fractional interest in its rights or property, if the fractional interest is represented by a security certificate; or

(4) becomes responsible for or in place of another person described as an issuer in this section.

(b) Guarantor.--With respect to an obligation on or defense to a security, a guarantor is an issuer to the extent of its guaranty, whether or not its obligation is noted on a security certificate.

(c) Person for whom transfer books maintained.--With respect to a registration of a transfer, issuer means a person on whose behalf transfer books are maintained.