It can depend. Usually Zoniing regulations would cover the display of the signs, but building regulations would address the way they are constructed and hung or placed on the building.
The law of European Union is the unique legal system which operates along side the laws of member states of the European Union (EU.)
RULES
YES! You wont be able to erect any building without them...
if they find out!! (if) you at worst case will have to knock down what you built = huge waste of money
The Importance of a Building Permit
Building Codes and Property Lines
Learn About Wetland Regulations
Housing and Noise Regulations in the Netherlands