Required by rule
English: compulsory, mandatory, required
Bahasa: harus, perlu, seharusnya, wajib, mesti, keperluan, semestinya
required, compulsory, mandatory, needed, needful
English: compulsory, mandatory, required
Bahasa: harus, perlu, seharusnya, wajib, mesti, keperluan, semestinya
English: needed, needful, required, requisite