Maryland Code, Business Regulation § 6-620

(1) state on the device or container:

(2) state on the device or container and to the person who grants permission for the placement of the device or container that a portion of the money deposited is retained by the business placing the device or container and that the remainder is given to a charitable organization or used for charitable purposes, if less than all of the money deposited is given to a charitable organization or used for charitable purposes.