Question juridique clé
Whether the cantonal court could declare the appellant's appeal inadmissible for failure to exhaust prior remedies and participate earlier in the zoning procedure.
Solution extraite
Yes. A person who knowingly abstains from raising objections during the public-enquiry and prior appeal stages does not satisfy the procedural standing requirements, even if he claims a protected interest.
Motifs extraits
The Federal Supreme Court held that Art. 33 LAT requires at least the same standing as Art. 89 LTF, including prior participation. This formal objection rule is justified by good faith and the need to raise arguments at the earliest stage. The appellant deliberately chose not to act while knowing the procedure, so the cantonal court could refuse to hear his appeal.