{
    "boundary": "Participation describes a bounded public process. It may not become evidence about a participant's character, risk, eligibility, or future conduct.",
    "release": "R52",
    "requirements": [
        "affirmative purpose-specific participation",
        "silence is not consent",
        "no adverse inference from refusal",
        "no compulsory representative affiliation",
        "no required disclosure of original stigma",
        "equivalent human participation channel",
        "accessible withdrawal",
        "bounded retention",
        "no reuse for marketing law enforcement eligibility employment insurance credit education discipline or person-level risk",
        "no permanent participant or nonparticipant registry"
    ],
    "schema": "antichrist.cx.voluntary-participation-contract.v1"
}