Select "Current Bidding Opportunities" for the bids and proposals currently being solicited and the corresponding closing dates for each. Enter your bid amount, delivery time and detailed proposal.You can include your experience, credentials and portfolio in your proposal. Your bid proposal should clearly express your interest in and highlight your suitability to the project you are bidding on. After LSS verifies your registration with above Treasury Programs, you will receive a Professional Service Statement of Work Proposal (Freelancer PSSW). There's an art form to writing an attentiongrabbing bid that makes you stand apart from the crowd and puts your considerable skills front and center. Freelance Colourist.