Possession of unauthorized items at a testing center during an Exam Any misconduct as determined by data or statistical analysis Alteration or modification ...

https://www.apple.com/jp/legal/sales-support/certificationpolicies.html

due to an unauthorized software modification, its repair will not be covered under the warranty. Pricing and Price Reductions/Corrections Apple reserves the...

https://www.apple.com/jp/legal/sales-support/sales-policies/retail-jp.html