No, unless otherwise agreed to by the Tribe, no provision of the Office of Federal Procurement Policy Act, the Federal Acquisition Regulations issued pursuant thereto, or any other law or regulation pertaining to Federal procurement (including Executive Orders) shall apply to any construction project conducted under section 509 of the Act [25 U.S.C. 458aaa-8]. The Secretary and the Self-Governance Tribe may negotiate to apply specific provisions of the Office of Federal Procurement and Policy Act and Federal Acquisition Regulations to a construction project agreement or funding agreement. Absent a negotiated agreement, such provisions and regulatory requirements do not apply.