Koninklijk Besluit van 11/07/1977 ref: Staatsblad nr 161 van 19/08/1977

This Royal Decree, published in the Belgian State Gazette on August 19, 1977, concerns a specific legal act within the Belgian legislative framework. Its exact subject matter is not detailed in the provided metadata. This decree affects individuals and entities within Belgium, establishing or modifying legal provisions. Further details would require consulting the full text of the decree.