; and (B) best practices for educating beneficiaries on means for communicating beneficiaries’ authenticated wishes to applicable family members, legal representatives, providers or health care proxies, including the use of email or other mail formats as well as access through mobile devices (as defined by the Secretary). (5) Enrollment and disenrollment The Secretary shall establish procedures for eligible beneficiaries to enroll and disenroll under the Program. Such procedures shall ensure that enrollment and disenrollment is available through an online process. The Secretary shall also establish procedures to ensure Program participants can update or amend an advance directive in a timely and secure manner. (6) State Law This section shall in no way supercede, abrogate, or otherwise interfere with State law governing advance directives. Under the Program, the Secretary shall establish a process under which the Secretary is required to verify that digital advance directive vendors or other entities providing a digital advance directive participating in the program enable those using their services to complete advance directives that fully comply with the law governing advance directives of the State involved. (7) Display of Statutory and Alternative Advance Directive Forms Under the Program, the Centers for Medicare & Medicaid Services shall provide, through a clearinghouse website, links to statutory and alternative advance directive forms and a State-by-State index to such forms to allow a beneficiary to create, adopt, modify, and terminate an advance directive with any content permitted or required, and in any form authorized by a State, in accordance with the requirements of subparagraphs (C) through (E) of subsection (e)(1) and subsection (e)(2). (8) Access in Cases of Dispute over Treatment Under the Program: (A) Special Access The Secretary shall establish a process whereby, with respect to a beneficiary with a certified advance directive, a person described in subparagraph (B) may obtain access to the