Maryland Election Law Section 9-207
§ 9-207.
  (a)   The State Board shall certify the content and arrangement of each ballot:
    (1)   for a primary election:
      (i)   in the year that the President of the United States is elected, at least 42 days before the election; and
      (ii)   in any other year, at least 50 days before the election;
    (2)   for a general election:
      (i)   in the year that the President of the United States is elected, at least 55 days before the election; and
      (ii)   in any other year, not more than 18 days after the primary election;
    (3)   for a special primary election, at least 18 days before the election; and
    (4)   for a special general election, not later than a date specified in the Governor's proclamation.
  (b)   The Court of Appeals, on petition of the State Board, may establish a later date in extraordinary circumstances.
  (c)   Within 48 hours after certification, the State Board shall deliver to each local board a copy of the certified ballot content and arrangement for that county.
  (d)   (1)   Within 5 days after the certification, or a later date that the Court of Appeals establishes in extraordinary circumstances on petition of the State Board, a local board shall:
      (i)   prepare the arrangement for all ballots to be used in the county, using the arrangement prescribed by the State Board; and
      (ii)   display the content and arrangement, in a manner that is accessible to the public, on all days that the office is open through the day of the election.
    (2)   Except pursuant to a court order under § 9-209 of this subtitle, or as provided in § 9-208 of this subtitle, the content and arrangement of the ballot may not be modified after the third day of the public display.
  (e)   Unless a delay is required by court order, a local board may begin to print the ballots after 3 days of public display and, with the approval of the State Board, correction of any noted errors.