; or (B) at the call of the Chairperson or the majority of the members of the Commission. (3) Quorum A majority of the voting members shall constitute a quorum, but a lesser number may hold meetings. (4) Chairperson and vice chairperson (A) Election The Commission shall elect the Chairperson and the Vice Chairperson of the Commission on an annual basis. (B) Absence of the chairperson The Vice Chairperson shall serve as the Chairperson in the absence of the Chairperson. (5) Voting The Commission shall act only on an affirmative vote of a majority of the members of the Commission. (d) Commission powers (1) Gifts The Commission may solicit, accept, use, and dispose of gifts, bequests, or devises of money or other property for aiding or facilitating the work of the Commission. (2) Appointment of advisory committees The Commission may appoint such advisory committees as the Commission determines to be necessary to carry out this section. (3) Authorization of action The Commission may authorize any member or employee of the Commission to take any action that the Commission is authorized to take under this section. (4) Procurement (A) In general The Commission may procure supplies, services, and property, and make or enter into contracts, leases, or other legal agreements, to carry out this section (except that a contract, lease, or other legal agreement made or entered into by the Commission shall not extend beyond the date of termination of the Commission). (B) Limitation The Commission may not purchase real property. (5) Postal services The Commission may use the United States mails in the same manner and under the same conditions as other agencies of the Federal Government. (6) Grants and technical assistance The Commission may— (A) provide grants in amounts not to exceed $20,000 per grant to communities and nonprofit organizations for use in developing programs to assist in the commemoration