Maryland Code, Environment § 6-1109

(a) In addition to any requirement which a cell manufacturer may have as a marketer under this subtitle, each cell manufacturer shall accept cells and rechargeable batteries collected in the State, including cells collected by the State, local governments, and their agencies.

(c) Each cell manufacturer has the sole responsibility for recycling or disposal of cells and rechargeable batteries returned to it.

(d) A cell manufacturer that does not produce rechargeable products may not be required to accept a rechargeable product.