Maryland Correctional Services Section 11-504

      (a)      An inmate who is sentenced to a local correctional facility shall be allowed an initial deduction from the inmate's term of confinement.

      (b)      The deduction described in subsection (a) of this section shall be calculated:

            (1)      from the first day of the inmate's postsentence commitment to the custody of the local correctional facility to the last day of the inmate's maximum term of confinement;

            (2)      at the rate of 5 days for each calendar month; and

            (3)      on a prorated basis for any portion of a calendar month.