Kernrechtsfrage
Whether the refusal had a sufficient legal basis under Basel construction and planning law.
Extrahierter Entscheid
Yes. The prohibition on foreign advertising in green front gardens was grounded in the cantonal statutory framework and not arbitrary.
Extrahierte Begründung
Section 18 BPV/BS was supported by Section 58 BPG/BS, which authorizes stricter restrictions on foreign advertising and requires adaptation to surroundings and good overall appearance.