compulsory
121compulsory education — required schooling, obligatory education …
122compulsory education law — national or regional law stating the minimum number of years that a child must attend school …
123compulsory insurance — required insurance, obligatory insurance …
124compulsory loan — obligation imposed on citizens to lend monies to the state …
125compulsory payment — required payments, obligatory payments (such as taxes, etc.) …
126compulsory savings — requirement for a certain amount or percentage of savings imposed on citizens by the government …
127compulsory service — mandatory military duty …
128compulsory purchase — noun Brit. the officially enforced purchase of privately owned land or property for public use …