Most of the significant changes to a bill would occur in k and l, when the house and senate have a final vote, and m when the president vetoes or writes the bill into law g, when the house rules committee sets rules for debate and voting on bill, and h and i, when the senate and house vote on the bill a and b, when the bill is first introduced, and k and l, when the house and senate have a final vote c and d, when the subcommittees debate and vote on the bill, and j, when the conference committee meets to resolve differences