Maryland Code, Election Law § 15-109

(1) in accordance with § 13-218 of this article;

(2) to further the gubernatorial ticket's nomination or election;

(3) for expenses incurred not later than 45 days after the election for which the public contribution was made;

(4) for purposes that do not violate State law; and

(5) for an expenditure that is accompanied by a receipt.

(1) a transfer; or

(2) an expenditure relating to fundraising activity by any other political committee organized under this article.

(c)(1) Any part of a public contribution that is not spent shall be repaid to the Comptroller for redeposit in the Fund not later than 90 days after the election for which the public contribution was made.

(2) In computing whether part of a public contribution is not spent, all private contributions to the gubernatorial ticket shall be treated as spent before the expenditure of any of the public contribution.