After receiving an activity address code, the contracting officer will notify the appropriate GSA regional office or military activity, which will contact the contractor and—

(a) Provide initial copies of ordering information and instructions; and

(b) When necessary, assist the contractor in preparing and submitting, as appropriate—

(1) The initial FEDSTRIP or MILSTRIP requisitions, the Optional Form 347, or the agency-approved forms;

(2) A completed GSA Form 457, FSS Publications Mailing List Application, so that the contractor will automatically receive current copies of required publications; or

(3) A completed GSA Form 3525, Application for Customer Supply Center Services and (Address Change).