обязательное централизованное хранение(CODE ANN. § 423.105 : Texas Statutes – Section 423.105: MANDATORY DEPOSIT OF SECURITIES; COMMISSIONER CONTROL for Lawyers, Law Students, ... | The United States has mandatory deposit requirement for all works published in the United States. Alexander Demidov)
обязательный к прочтению(This book should be mandatory reading for not only the police investigator but those involved in the justice system more widely.4uzhoj)
предельный возраст(пребывания в должности; Mandatory retirement is the age at which persons who hold certain jobs or offices ... part of the government (such as military service and federal police agencies, ... WAD Alexander Demidov)