compulsory purchase
noun /kəmˌpʌlsəri ˈpɜːtʃəs/
/kəmˌpʌlsəri ˈpɜːrtʃəs/
[uncountable, countable] (British English)- an occasion when somebody is officially ordered to sell land or property to the government or other authority
- a compulsory purchase order