After a recipient opts out, the sender and anyone acting for it must stop sending commercial email within the scope of the request more than 10 business days after receiving it, must not help others send it by supplying the address, and must not sell, lease, exchange or otherwise transfer the address except to comply with the law, unless the recipient later gives affirmative consent.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.