Now that the final text of the Anglican Covenant has been sent to the member churches of the Communion, it is useful to outline the procedures by which member churches and other churches enter into the Covenant. In reviewing these procedures, it is important to be mindful of the distinction between committing to the Covenant, which churches may do at any time through affirmation or adoption, and formal recognition of that fact by the other Covenant churches or the Communion Instruments.

The essay continues here.