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).

Ian Corcoran’s romantic proposal took about three years to execute. One day, when he was writing a letter that started with ...