Applications shall remain in the eligible applicant pool for 12 months. An applicant who is not invited to apply for a point-based immigrant visa during the 12-month period in which the application remains in the eligible applicant pool may reapply for placement in the eligible applicant pool. (2) Visa petition (A) Invitation Every 6 months, the Director of U.S. Citizenship and Immigration Services shall invite the highest ranked applicants in the eligible applicant pool, in a number that is expected to yield 50 percent of the point-based immigrant visas authorized under section 201(d) for the fiscal year, including spouses and dependent children accompanying or following to join the principle alien, to file a petition for a points-based immigrant visa. (B) Petition elements Subject to subparagraph (C), the Director of U.S. Citizenship and Immigration Services shall award a points-based immigrant visa to any applicant invited to file a petition under subparagraph (A) who, not later than 90 days after receiving such invitation, files a petition with the Director that includes— (i) valid documentation proving that the applicant is entitled to all of the points claimed in the application submitted pursuant to paragraph (1)