How To Write Proposal For Time Series Project . Be meticulous in writing, editing, and designing the proposal. Select and include relevant work samples. Project Proposal & Time Management Plan The Visual Communication Guy from thevisualcommunicationguy.com This is a great place to highlight specific things you heard from your conversations or learned in. A supplemental project proposal is required when you need to ask for extra resources for a project (beyond those originally proposed). Also, don't forget to include a schedule and budget.