Adding it to the list...
Supporting the Worldwide Work with Tax-Effective Giving (cp-E Bi) is the UK version of the
Charitable Planning to Benefit Kingdom Service Worldwide (cp-E) brochure in the US.
Which is pushed in w15 11/15 pp. 14-15 Show Appreciation for Jehovah’s Generosity (They do this every November)
The Org's UK site https://www.jwgift.org/Leaflets.aspx also has
Jehovah’s Witnesses do not solicit funds.