regulation

noun
B2
OPAL
1
B2
an official rule made by a government or some other authority
مقررات, آیین‌نامه, ضابطه
2
controlling something by means of rules
مقررات, تنظیم
the voluntary regulation of the press
see also self-regulation
adjective
1
that must be worn or used according to the official rules
مقرراتی, اجباری, رسمی, الزامی