; or (2) establishes prima facie eligibility for cancellation of removal and conditional permanent resident status under subsection (a) and is provided a reasonable opportunity to file an application under subsection (a). 5. Conditional permanent resident status (a) Length of status Conditional permanent resident status granted under section 4 shall be valid for an initial period of 5 years, subject to termination under subsection (c) of this section. (b) Terms of conditional permanent resident status (1) Employment A conditional permanent resident shall be authorized— (A) to be employed in the United States incident to conditional permanent resident status; and (B) to enlist in the armed forces as provided in section 504(b)(1)(D) of title 10, United States Code, as added by section 12. (2) Travel A conditional permanent resident may travel outside the United States and may be admitted (if otherwise admissible) upon return to the United States without having to obtain a visa if— (A) the alien is the bearer of valid, unexpired documentary evidence of conditional permanent resident status; and (B) the alien’s absence from the United States was not for a period exceeding 180 days or the alien was absent from the United States due to active service in the armed forces. (c) Termination of status (1) In general The Secretary of Homeland Security shall terminate the conditional permanent resident status of any alien if the Secretary determines that the alien is 18 years of age or older and— (A) in the case of— (i) an alien postsecondary student, the alien failed to enroll in an accredited institution of higher education in the United States within 1 year after the date on which the alien was granted conditional permanent resident status or to remain so enrolled; (ii) an alien described under section 4(a)(1)(C), the alien has not been employed for a total period of 48 months during the 5-year period beginning on the date that the alien was granted conditional permanent resident status