Din câte înţeleg, este un serviciu oferit celor care nu se încadrează în condiţiile pentru utilizarea serviciului standard, care presupune doar plata costurilor de copiere.

"L&IS use the British
Library’s (BL) copyright fee paid service that allows article requests to be copied at charge set by the BL. This charge varies and includes the charge for the copying itself and a charge that is passed on to the rights holder via the Copyright Licensing Agency (CLA). "
http://lis.tees.ac.uk/factsheets/fs105.pdf

"Photocopies for library or classroom use
As explained above, photocopies obtained through the standard interlibrary loan service are supplied for the purposes of non-commercial research or private study only.
Photocopies required for course pack or library use should be obtained through the British Library’s copyright fee paid service. This service supplies photocopies for various uses, including:
Copies for commercial research purposes
Copies to add to library stock
Multiple copies of the same article
More than one article from the same issue.”

http://www.cardiff.ac.uk/insrv/resources/guides/copyright/in...