In consultation with the Belgian federated entities and research organizations, BELSPO recognizes the full liberty for researchers to publish in the venue of their choice. BELSPO does nevertheless require :
1.
Depositing publications in Green Open Access institutional or thematic repositories on ID/OA basis (Immediate Deposit - Optional Access).
... and recommends:
2.
Publishing in free of charge Diamond Open Access Journals/platforms run by public organizations.
3.
Publishing in commercial Gold Open Access Journals with transparent pricing policies and fair prices for genuine added value.