1639.4—Exclusion from Class 2-D.
A registrant shall be excluded from Class 2-D when:
(a)
He fails to establish that the theological or divinity school is a recognized school; or
(b)
He fails to establish that the church or religious organization which is sponsoring him is so recognized; or
(c)
He ceases to be a full-time student; or
(d)
He fails to maintain satisfactory academic progress.