Md. Code, Family Law § 8–203

(a) In a proceeding for an annulment or an absolute divorce, if there is a dispute as to whether certain property is marital property, the court shall determine which property is marital property:

(1) when the court grants an annulment or an absolute divorce;

(2) within 90 days after the court grants an annulment or divorce, if the court expressly reserves in the annulment or divorce decree the power to make the determination; or

(3) after the 90–day period if:

(i) the court expressly reserves in the annulment or divorce decree the power to make the determination;

(ii) during the 90–day period, the court extends the time for making the determination; and

(iii) the parties consent to the extension.

(b) In this subtitle a military pension shall be considered in the same manner as any other pension or retirement benefit.