; and (C) 15 United States land ports of entry that support the highest volume of vehicle, pedestrian, and cargo crossings, as determined by available Federal border crossing data. (b) Implementation (1) Pilot program at land ports of entry Not later than six months after the date of the enactment of this section, the Secretary, in collaboration with industry stakeholders, shall establish a six-month pilot program to test the biometric exit data system referred to in subsection (a)(2) on non-pedestrian outbound traffic at not fewer than three land ports of entry with significant cross-border traffic, including at not fewer than two land ports of entry on the southern land border and at least one land port of entry on the northern land border. Such pilot program may include a consideration of more than one biometric mode, and shall be implemented to determine the following: (A) How a nationwide implementation of such biometric exit data system at land ports of entry shall be carried out. (B) The infrastructure required to carry out subparagraph (A). (C) The effects of such pilot program on legitimate travel and trade. (D) The effects of such pilot program on wait times, including processing times, for such non-pedestrian traffic. (E) The effects of such pilot program on combating terrorism. (F) The effects of such pilot program on identifying visa holders who violate the terms of their visas. (2) At land ports of entry (A) In general Not later than five years after the date of the enactment of this section, the Secretary shall expand the biometric exit data system referred to in subsection (a)(2) to all land ports of entry. (B) Extension The Secretary may extend for a single two-year period the date specified in subparagraph (A) if the Secretary certifies to the Committee on Homeland Security and Governmental Affairs and the Committee on the Judiciary of the Senate and the Committee on Homeland Security and the Committee on the Judiciary of the House of Representatives that the 15 land ports of entry that support