Fingerprints would be required to purchase a handgun in Maryland, under the new law.
The Maryland House of Delegates has approved a gun-control measure proposed by Democratic Gov. Martin O'Malley, which would give the state some of the toughest regulations in the nation.
The bill has a number of differences from a measure the Senate passed more than a month ago. The two chambers will have to work out the differences before the General Assembly adjourns at midnight next Monday.
Still, the House and Senate are largely in agreement on the major parts of the bill. They include a fingerprinting requirement to get a license for handguns and an assault weapons ban. The legislation also would limit magazines to 10 bullets.
Senate President Thomas V. Mike Miller announced the Senate will hold two sessions today in order to take up the bill.
O'Malley proposed the bill in the aftermath of December's massacre at a Newtown, Conn., school, where a gunman killed 20 children and six adults before committing suicide.