; and (3) does not have an immigrant visa that is immediately available but the visa is expected to be available within 5 years of the date the alien registers with a Designated Processing Center. (b) Application and adjudication (1) In general Absent exceptional circumstances, an eligible alien shall be permitted to submit an application for parole under this section up to 90 days after the date the alien is determined to be eligible for parole. (2) Adjudication deadlines Absent exceptional circumstances, applications submitted under this section shall be adjudicated not later than 180 days after submission. (3) Biometrics and background checks (A) Submission of biometric and biographic data Applicants for parole under this section shall be required to submit biometric and biographic data in accordance with procedures established by the Assistant Director of Regional Processing. The Assistant Director shall provide an alternative procedure for applicants who are unable to provide all required biometric data due to a physical or mental impairment. (B) Background checks The Assistant Director of Regional Processing shall utilize biometric, biographic, and other appropriate data to conduct security and law enforcement background checks of applicants to determine whether there is any criminal, national security, or other ground that would render the applicant ineligible for parole under this section. (C) Completion of background checks The security and law enforcement background checks required under subparagraph (B) shall be completed to the satisfaction of the Assistant Director of Regional Processing before the date on which an application for parole may be approved. (4) Approval Designated Processing Centers shall issue appropriate travel documentation to aliens granted parole. Such documentation must be presented to U.S. Customs and Border Protection at a port of entry for parole into the United States within 120 days of issuance. 306. Central American worker referral program (a) In general An alien who