§11–107.

    (a)    Subject to § 8-103 of this article, the court may extend the period for which alimony is awarded, if:

        (1)    circumstances arise during the period that would lead to a harsh and inequitable result without an extension; and

        (2)    the recipient petitions for an extension during the period.

    (b)    Subject to § 8-103 of this article and on the petition of either party, the court may modify the amount of alimony awarded as circumstances and justice require.