Md. Code, Commercial Law § 14–3705

(a) The Internet access provider shall make available to the subscriber, at or near the time of subscription, a parental control that satisfies the requirements of § 14–3704 of this subtitle.

(b) The Internet access provider may make the parental control available to the subscriber either directly or through a link to a third party.

(c) The Internet access provider or third party may charge for the parental control.