Maryland Gov. Larry Hogan, seated center, signs legislation on April 4 to raise the age of eligibility from 18 to 26 for state pension benefits for young adult children of law enforcement officers killed in the line of duty. He is flanked by Senate President Thomas V. Mike Miller Jr. (D-Calvert), left, and House Speaker Michael E. Busch (D-Anne Arundel), right. (Brian Witte/AP)

Maryland lawmakers are scrambling to send bills to Gov. Larry Hogan before the required end of the 90-day legislative session at midnight.

Negotiations are still underway between the Senate and House of Delegates on big-ticket bills from drunk driving penalties to police reform to tax relief. Other bills, such as criminal-justice reform, are just awaiting final votes.

Hogan may offer his thoughts on the session early in the day, when he joins Lt. Gov. Boyd Rutherford for breakfast at the iconic Chick & Ruths Delly in Annapolis.

We will be posting the Twitter and at www.washingtonpost.com throughout the day.

Here’s what we’re watching:

The parents of slain Montgomery County Police Officer Noah Leotta in Annapolis this weekend to urge passage of Noah’s Law. (Brian Witte/AP)

1) Tax relief: Whose taxes are cut?

Both houses of the legislature have passed tax-relief packages that would lower the burden on many individuals and businesses, while expanding a tax credit for the working poor, including to people without children. A committee must negotiate differences between the two versions.

The Senate version would reduce rates on high earners. The House version would allow corporations to base their tax rates on sales in Maryland rather than a combination of sales, property and payroll in the state --a move that would benefit many businesses headquartered in the state, but could potentially cost more for those based elsewhere.

Not on the negotiating table: A proposal from Hogan to increase the tax exemption for senior citizens and eliminate the corporate tax bill for new manufacturers for their first decade.

2) Drunk driving: New snag for interlock ignition bill

Advocates fear that the long-sought bill known as “Noah’s Law,” which would expand the use of ignition locks on drunk drivers’ vehicles, could be derailed by a late push to also allow punitive damages in drunk driving lawsuits.

Sen. Bobby Zirkin (D-Baltimore County) and Del. Kathleen Dumais (D-Montgomery), who are on opposite sides of the punitive damages issue, are the lead negotiators in ironing out differences in the bill.

3) Underage drinking: who should be punished?

Late tweaks could also derail other legislation meant to deter drunken driving.

A bill cracking down on adults who provide alcohol to underage drinkers was amended in the Senate to limit the stiffer penalties to cases in which the adults knew the underage drinkers would drive, or when the young people end up in crashes that result in serious injury or death.

4) Police reform: Will civilians oversee all officers?

Who should have a say in punishing police officers accused of misconduct? That’s a key point of contention in final negotiations over a bill that would change the way officers are hired, trained and disciplined.

A push by Baltimore senators to mandate the inclusion of citizens as voting members of local police review boards prompted Senate President Thomas V. Mike Miller Jr. (D-Calvert) to return the Senate bill to a committee. The House version mandates citizens on police boards, but they would not have a vote on police discipline. The Senate version left the decision up to localities.

5) Criminal justice reform: Key vote on compromise bill

After six tense hours on Saturday, negotiations have concluded for the most sweeping criminal justice legislation in years after six tense hours on Saturday. The result is a nearly 100 page bill scheduled for a vote in the House and Senate.

[Poll: Broad support for reducing drug sentences in Md.]

The legislation eliminates mandatory minimum sentences for non-violent drug offenses and increases the penalties for some violent crimes. The bill aims to lower prison costs and address decades-old sentencing disparities. It would provide drug treatment for some non-violent drug offenders rather than sending them to jail.

6) Likely to fail: Redistricting bill, paid sick leave, fantasy sports

Sen. Jamie Raskin (D-Montgomery) said Hogan indicated Friday that he was open to compromising on redistricting reform with a “two-state approach” that would balance likely Democratic losses in Maryland’s congressional delegation contingent with likely Republican losses in Virginia. But Maryland’s legislative leadership has expressed little interest in revisiting Hogan’s redistricting bill — with or without a compromise.

Another bill that seems to have little chance of landing on Hogan’s desk is a measure that would require employers with at least 15 workers to provide paid sick leave for personnel. The House passed the legislation last week, but the Senate hasn’t even assigned it to a committee.

Additionally, two bills regarding the legality of fantasy sports from the Senate face questionable prospects of passing before the session ends.

7) Opiod crisis: database for doctors and pharmacists

The House and Senate might also create a conference committee to negotiate an agreement on a bill that would require doctors and pharmacists to use a statewide database to track potential abuse and overprescribing of painkiller medications. The bill is based on a recommendations from Hogan’s heroin-and-opioid task force.

Both chambers have passed the Senate’s proposal, but they must agree on the amendments before advancing the measure for a final floor vote.

8) Last day for the “voice of the Senate”: Longtime Senate reading clerk Lynn B. Porter will retire from the Department of Legislative Services at midnight, after 29 years of reading bills, running the vote-tallying machine and making sure that the business of the Senate kept moving. Read Ovetta Wiggins’s story about her here.

9) Special mystery guest?

Will Valerie Jarrett, Barack Obama’s longtime senior advisor, show up in Annapolis before adjournment, or sine die? Senate President Miller said on Monday that a “national figure” would be a guest in the state capital on Monday.

A White House official said Thursday Jarrett would be in Annapolis to meet with female lawmakers. But, hours later, another official said she would not.