49 Way Sortation (Formerly 48 Way Sortation) - Customers who send mail using Low Sort Machine Readable mailing options for Mailmark© or Low Sort are now able to reduce their sortation’s from 86 to 49 selections - please follow this  document for more information.

Additionally the document above provides both what the change is, and associated mapping table for those electing to use this facility.

Download Royal Mail Selection Files 2013 Release 3 for use from 31st March 2025