Replaced/Superseded by document(s)
The Interface Requirements Specification (IRS) specifies the requirements to be satisfied at an
interface between two systems and the methods to be used to ensure that each requirement has been so
satisfied. Throughout this DID, the term "system" may be interpreted to mean "segment", "subsystem",
"element", "HWCI", "CSCI", "component" or other item, as applicable.
The IRS is used in support of procurement, design, qualification testing and acceptance testing of the
This Data Item Description (DID) may be cited in a Statement of Requirement (SOR), Task
Specification (TS), a Contract Data Requirements List (CDRL), or within a standard invoked by a
SOR or TS. The external interface requirements pertaining to a system and specified in one or more
Interface Requirements Specifications may be invoked by reference from a System Specification, a
Software Requirements Specification or similar document.