Official text of 252.227-7024
As prescribed at 227.7107-3 , use the following clause:
NOTICE AND APPROVAL OF RESTRICTED DESIGNS (APR 1984)
In the performance of this contract, the Contractor shall, to the extent practicable, make maximum use of structures, machines, products, materials, construction methods, and equipment that are readily available through Government or competitive commercial channels, or through standard or proven production techniques, methods, and processes. Unless approved by the Contracting Officer, the Contractor shall not produce a design or specification that requires in this construction work the use of structures, products, materials, construction equipment, or processes that are known by the Contractor to be available only from a sole source. The Contractor shall promptly report any such design or specification to the Contracting Officer and give the reason why it is considered necessary to so restrict the design or specification.
(End of clause)
Verifying this text
The text above is reproduced verbatim from GSA's published source files for the Defense (DoD) supplement. The controlling version is the one in the Code of Federal Regulations: 252.227-7024 on eCFR.