Maryland Estates and Trusts Section 3-206

      (a)      (1)      The election by a surviving spouse to take an elective share shall be made within the later of:

                  (i)      Nine months after the date of the decedent's death; or

                  (ii)      Six months after the first appointment of a personal representative under a will.

            (2)      The court may extend the time for election, before its expiration, for a period not to exceed three months at a time, upon notice given to the personal representative and for good cause shown.

      (b)      The surviving spouse may withdraw the election at any time before the expiration of the time for making the election to take an elective share.