Replaced/Superseded by document(s)
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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), Statement of
Work (SOW), a Contract Data Requirements List (CDRL), or within a standard invoked by a SOR or
SOW. 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.
This DID incorporates and adapts some non-copyrighted material contained in an Interface
Requirements Specification (IRS) DID DI-IPSC-81432 issued by the United States Government.