Constraints Requirements Every MD_LegalConstraints must include accessConstraints, useConstraints, otherConstraint, useLimitation or releasability Specify either mco:accessConstraints, mco:useConstraints, mco:otherConstraint, mco:useLimitation or mco:releasability for each mco:MD_LegalConstraints. Specify mco:otherConstraints only if accessConstraints or useConstraints = 'otherRestrictions'. Specify either mco:addressee or mco:statement for each mco:MD_MD_Releasability.