Montana StatutesPart 5. Communication of Consent -- Revocation of Proposal28-2-501. How consent is communicated.28-2-502. When consent is considered fully communicated.28-2-503. Implied acceptance.28-2-504. Acceptance to be absolute.28-2-505. through reserved.28-2-511. When proposal may be revoked.28-2-512. How proposal revoked.