Assumptions are future situations beyond the control of the project,. According to the internet, a functional requirements document, abbreviated as frd, is a formal statement of an. The frd is produced by business analysts or sometimes the technical team in response to the business. Documenting the functional requirements provides several important benefits to the organisation and to the process of developing a solution. A functional requirements document (frd)—also known as a functional requirements specification, functional specification, or functional specification document—is a more.