Paragraph 28 of the Circulaire E.T. 124.747 from 13/10/2013 and the certification manual for POS suppliers imposent the presence of two non-changeable PLUs 'WORK IN' and 'WORK OUT', and the related reporting.
There seems to be a major confustion on the use of these PLUs. The workgroup CCR of the Federal Finance Department has confirmed that the use of these PLU's is to be defined by the Federal Social Security Department, which has not taken any decision in this matter.
At this time, the only obligation is that the functionality must exist on the CCR.