A Department of Defense notice announces an early engagement opportunity regarding implementation of the National Defense Authorization Act for Fiscal Year 2018 (PL 115-91) within the Defense Federal Acquisition Regulation Supplement. The public is invited to submit early inputs on sections of the NDAA for FY 2018 via the Defense Acquisition Regulations System website at http://www.acq.osd.mil/dpap/dars/index.html. The website will be updated when early inputs will no longer be accepted. This venue does not replace or circumvent the rulemaking process. DoD will engage in formal rulemaking, in accordance with 41 USC 1303, when it determines that rulemaking is required to implement a section of the NDAA for FY 2018 within the DFARS. The text of the notice appears at 83 FR 9501.