An frd or functional requirements document serves as a contract for formal statement, between the business stakeholders and the technology team, on an application’s functional requirements. According to the internet, a functional requirements document, abbreviated as frd, is a formal statement of an. A functional requirements document (frd)—also known as a functional requirements specification, functional specification, or functional specification document—is a more. The functional requirements document (frd) is a formal statement of a product's functional requirements. The frd is produced by business analysts or sometimes the technical team in response to the business.