This issue was discussed on the functional WG last Friday and this was the conclusion:
this proposal was not accepted
the relevance of this data element for PersonServices was not clear
fedvoc refers to the KBO/BCE-code which has only 2 values, whereas the proposed URI http://www.w3.org/ns/regorg#orgType rather refers to the fedvoc data element legalForm
OSLO organisatietype -> FedVoc OrganizationType
EDVOC URI http://vocab.belgif.be/auth/organizationtype#id OSLO URI http://www.w3.org/ns/regorg#orgType