The English House of Bishops has issued new Guidance on the marriage of persons from outside the European Economic Area which can be downloaded from here.
This page links to two documents:
In addition, reference is made in the first document to:
Here is the official press release: Bishops act to tackle sham marriages
And some press reports:
Alan Travis in The Guardian: Sham marriages targeted in Church of England crackdown
Tom Whitehead in The Telegraph: New rules for migrant church weddings
BBC: Church of England in ‘sham marriage’ crackdown