(a) General rule.--An enlisted person discharged from service in the Pennsylvania National Guard shall receive a discharge in writing in such form and with such classification as shall be prescribed by the National Guard Bureau, and in time of peace discharges may be given prior to the expiration of terms of enlistment, under such regulations as the Governor may prescribe, subject to the restrictions of the National Defense Act, or amendments thereto.

(b) Termination of Federal service.--On termination of an emergency in which enlisted personnel of the Pennsylvania National Guard shall have been called into the Federal service by the President of the United States in accordance with the provisions of the National Defense Act, such enlisted personnel shall continue to serve in the National Guard until the dates upon which their enlistment entered into prior to their call into the Federal service would have expired if uninterrupted.

(c) Termination of enlistment.--The term of enlistment of every enlisted person's enlistment contract will be for the period of his enlistment or until terminated by reason of any of the following:

(1) Death.

(2) Reaching the maximum age-in-grade limitations provided in Army and Air National Guard regulations.

(3) Physical disqualification.

(4) Any other reason enumerated in this title or for reasons specified in Army or Air National Guard regulations.

(d) Failure to meet qualifications.--In addition to the provisions of subsection (c), if during the term of enlistment it is determined that an enlisted person does not meet all the prescribed qualifications specified by the Federal regulations and if a waiver is not appropriate or authorized, then the enlisted person shall be discharged.