Investopedia / Theresa Chiechi A request for proposal ... a fairly rigid format, although that format may vary among the agencies and companies that prepare them. This sample from the RTI ...

Alternatively, some funders will ask that you submit an initial letter of intent to apply for a program for which they have a formal proposal request process (a Request for Proposal, or RFP).

These tips have got you covered. If you want to go down the traditional route, you can write a formal proposal letter with a ...