Members will start by debating the rule for the bill, which allows the House to consider any germane amendment. Decisions about whether amendments are germane or not will be made on the floor.

As of late Monday, it wasn't clear how many amendments would be offered. But there will be many — last year's appropriations bills led to some very late nights in the House as members disposed of scores of amendment proposals.

The rule vote is expected by early afternoon, and Republicans have allowed for the last votes of the evening to take place by 10 p.m. or 11 p.m. Debate on amendments is also possible after that voting deadline, as is more debate and voting on Wednesday.

The Senate meets at 10 a.m. for a few last hours on S. 2343, the Stop Student Loan Interest Rate Hike act. A noon vote is scheduled on a motion to proceed to the bill, but Republicans indicated on Monday that they would vote against this motion.

That opposition could scuttle the Democratic proposal, since 60 votes will be needed to pass the motion to proceed, meaning that seven or more Republicans would have to vote with Democrats in order for the bill to advance.

The bill would extend low interest rates on Stafford loans for another year, and pay for this $6 billion cost by subjecting more income from the wealthy to the payroll tax. Republicans oppose this tax language, and many on Monday indicated support for the House bill, which would cut a healthcare fund to pay for the interest rate extension.