(a) A member of the retirement system is allowed credited service as provided in this subchapter if at any time the person:
(1) leaves employment with a participating municipality to perform and performs active duty service in the armed forces or the armed forces reserves of the United States or their auxiliaries, provided that:
(A) the person makes application for reemployment with the same municipality within 90 days after the person is released from active duty or discharged from such military service or from hospitalization continuing after discharge for a period of not more than one year; and
(B) the person is reemployed by the same participating municipality; or
(2) is conscripted and leaves employment with a participating municipality to perform and performs war-related service during a state of war or during a conflict between the armed forces of the United States and the armed forces of a foreign country, provided that the person is reemployed by the same municipality within 90 days after the end of such service.
(b) Credit for service under this section may only be used as set forth in § 853.505.