This agreement was developed in the context of the Education Transition Service (OSO). OSO is the set of agreements, standards and secure connections that ensure the secure digital transfer of a student's study and guidance data from the student administration of the current school to the new school and for intra-school transfer in preparation for this. Mainly used in K12 in The Netherlands. Partially based on a law about transition of data of a learner from 1 school to the other
OSO = [overstapservice-onderwijs](https://www.kennisnet.nl/diensten/overstapservice-onderwijs-oso/)