In Scotland, the collection of Direct Debit promises is not currently covered by Charity licensing rules. Therefor a door to door collection for direct debit does not require to have a licence from CNES.
The Institute of Fundraising, which includes membership of the majority of larger charities, have issued specific guidance for door to door fundraising.
Their guidance states that "No Uninvited salespeople " signage does not give a clear indication that fundraisers should not approach.
However the guidance further states that the display of "No Uninvited Salespeople" stickers should give fundraisers a clear signal that any approach should be made with caution and sensitivity.
The guidance also states that collectors must when asked to do so, terminate their approach in a polite manner and must be courteous at all times.
Consumers should contact Police Scotland on 101 if they are worried about collectors coming to their door.