This is a clarification notice addressing technical questions about proposal submission through the PIEE system. It directs offerors to follow the registration instructions on the PIEE website and to assign the correct roles well in advance. Detailed guidance for registration and role assignment is provided in the newly added Attachments A through C. The notice provides specific instructions for vendors based on whether they are new to PIEE or already have certain account elements. No budget, performance location, or non-bid timelines are mentioned in this update.