Special Notice: DEPT OF DEFENSE - DEPT OF THE ARMY is transitioning to using the Procurement Integrated Enterprise Environment (PIEE) Solicitation Module for electronic processing of bid/offer/proposal submissions. This transition is being carried out by the 411th Contracting Support Brigade (CSB). Vendors must register for PIEE and undergo specific training to obtain the proposal manager role and use the PIEE Solicitation Module for proposal submissions. The service being procured is the electronic processing of bid/offer/proposal submissions. Vendors must register for PIEE and undergo specific training to use the module effectively. For more details, please refer to the attached special notice.