For assistance, please call at or e-mail Vendor Support. All proposals must be submitted via e-CImpact, United Way's online application portal.Your RFP will be the start of an ongoing conversation, not a standalone statement. Complete and submit the Proposal Checklist found in this RFP as Attachment M. PHASE 2: TABLE OF CONTENTS. To receive information related to specific proposal or bid responses, submit an online record request.