Minister means an individual who:
(A) Is fully authorized by a religious denomination, and fully trained according to the denomination's standards, to conduct such religious worship and perform other duties usually performed by authorized members of the clergy of that denomination;
(B) Is not a lay preacher or a person not authorized to perform duties usually performed by clergy;
(C) Performs activities with a rational relationship to the religious calling of the minister; and
(D) Works solely as a minister in the United States, which may include administrative duties incidental to the duties of a minister.