b. Prescripziuns chantunalas
1 Ils chantuns han il dretg da fixar las distanzas che ston vegnir observadas tar stgavaments e tar construcziuns.
2 Els pon fixar ulteriuras prescripziuns da construcziun.
b. Cantonal regulations
1 The cantons may set minimum separation distances to be observed in excavation and construction works.
2 They have the right to issue further building regulations.