Kyoukai Senjou no Horizon-Volume 3A, School Rules

Article 21

- In neutral territory, members of the chancellor’s officers and student council are forbidden from combatting other academies without valid reason.

Article 22 f𝔯𝒆𝚎𝚠𝑒𝚋𝓃૦νℯƖ.co𝘮

- In neutral territory, members of the chancellor’s officers and student council are to negotiate with other academies.f𝗿𝗲e𝒘e𝚋ｎ૦𝘃𝙚𝑙.com