It appears that IPS has not rolled over the addendas of Harness Racing Weekly to reflect the new year. The current issues addenda as printed on the paper is 21 however the electronic invoice the store received (info from the file below) has the addenda of 73 (52 issues from last year+21 that is printed on this issue). Other titles on the same invoice appear to be correct. Through Tower Systems, my newsagency software company, I have escalated the matter with IPS.
UPDATE (10:18) IPS has advised that this has now been resolved.