A major portion of the sweeping John S. McCain National Defense Authorization Act for Fiscal Year 2019 (NDAA) that impacts federal contracts will take effect in August 2020. Section 889 prohibits the federal government from directly procuring “any equipment, system or service that uses covered telecommunications equipment or services as a substantial or essential component of any system, or as critical technology as a part of any system” or entering into a contract with any entity that uses such covered telecommunications equipment or services.…