FAR Part 44 has not yet been overhauled under the Revolutionary FAR Overhaul. The current eCFR text is operative.
Clauses in Part 52.44xx
52.244-4 Subcontractors and outside associates and consultants (Architect-engineer services).
eCFR
Current regulatory text for FAR Part 44.
View on eCFR
RFO FAQs
Frequently asked questions about the FAR Overhaul.
View on acquisition.gov