A supported decision–making agreement may be in any form consistent with the requirements under this section. A supported decision–making agreement shall: Be documented in writing; Be dated; Name at least one supporter; Describe the decision–making assistance that each supporter may provide the adult; Describe how the supporters may work together if there is more than one supporter; Describe how any perceived or actual conflict of interest between the supporter or supporters and the adult shall be mitigated; Document how the adult selected the supporter or supporters; Be approved by the court if the adult has been appointed a guardian of the person or property and the supported decision–making agreement affects the authority of the guardian; State that: The supporter or supporters may not make decisions or effectuate transactions for the adult; and The supported decision–making agreement or any provision of the agreement does not: Authorize the supporter or supporters to act on behalf of the adult; Supplant the authority of an agent under a power of attorney executed in accordance with Title 17 of this article or an advance directive executed in accordance with Title 5, Subtitle 6 of the Health – General Article; or Supplant or grant authority or agency powers contemplated by a power of attorney or an advance directive; Contain an attestation that the supporter or supporters agree to honor the right of the adult to make decisions and that the supporter or supporters will not make decisions for the adult; Be signed by the adult and the supporter or supporters, with each signature witnessed by two adults who are not: A supporter for the adult; or An employee or agent of a supporter named in the supported decision–making agreement; and If the adult has a fully executed power of attorney, advance directive, or revocable trust agreement and the adult does not expressly object, deliver a copy of the supported decision–making agreement to the agent designated under the power of attorney or advance directive or any trustee under the revocable trust agreement. A supported decision–making agreement may: Appoint more than one supporter; and Appoint an alternate to act in the place of a supporter in circumstances specified in the agreement.