Final answer:
If differences exist between the House and Senate versions of a tax bill, it is referred to the Joint Conference Committee to reconcile the differences and produce a unified bill for final voting.
Step-by-step explanation:
If any differences exist between the House- and Senate-passed versions of a tax bill, the bill is referred to the c. Joint Conference Committee. This committee's role is to reconcile the differences and negotiate a compromise that will be acceptable to both chambers. Once the conference committee reaches an agreement, the reconciled bill is sent back to both the House and the Senate for a final vote. This is a crucial step in the legislative process for tax bills and other types of legislation. If the President signs the reconciled bill, or if the bill is not vetoed and the conditions for it to become law are met, it becomes enacted legislation.