Who is affected and how:

• Federal agencies: Agencies that issue rules with budgetary effects will see those rules take effect by default during the congressional review window unless Congress disapproves. Agencies will likely need closer coordination with OMB and CBO on timing, scoring, and implementation logistics.

• Office of Management and Budget (OMB) and Congressional Budget Office (CBO): OMB and CBO will play a larger role in determining and communicating budgetary effects and scorekeeping during the congressional review period; their analyses may determine whether and how rules are reflected in budget baselines and enforcement mechanisms.

• Members of Congress and congressional committees: Congress retains disapproval authority but would need to act affirmatively to stop a budget-affecting rule from taking effect; this changes the practical dynamics of oversight and increases pressure to move quickly if disapproval is desired.

• Federal budget enforcement and scorekeeping: Counting rules as effective during review can alter when budget authority, outlays, and receipts are recognized for enforcement under pay‑as‑you‑go or sequestration calculations, potentially affecting deficit accounting and triggers tied to budget levels.

• Recipients of federal programs, contractors, and beneficiaries: Entities and individuals affected by rule changes that alter funding flows could experience faster implementation and earlier changes in benefit eligibility, payment rates, or obligations unless Congress disapproves.

• State and local governments: Where federal rule changes affect federal grants, mandatory payments, or shared revenues, state and local budgets and planning could be affected sooner than under a regime that delays effectiveness during review.

Uncertainties:

• Because the first section supplies no substantive amendments to chapter 8 of title 5, the full administrative and legal framework for how the congressional approval procedure will operate after this change is unclear. That missing detail creates ambiguity about timing, exceptions, and how specific budget enforcement rules (e.g., PAYGO scoring, sequestration triggers) will interact with the new default-effective rule.

Net effect:

• The legislation pushes toward allowing budget-impacting agency rules to take effect during congressional review unless Congress disapproves, which speeds implementation absent congressional action but leaves open legal and procedural questions about scorekeeping and enforcement.