Русско-англо-русский юридический словарь

A state of emergency is a governmental declaration that announces that the country is in a state of emergency. This means that the government can suspend and/or change some functions of the executive, the legislative and or the judiciary during this period of time. It alerts citizens to change their normal behaviour and orders government agencies to implement emergency plans. A government can declare a state of emergency during a time of natural or man-made disaster, during a period of civil unrest, or following a declaration of war or situation of international/internal armed conflict. (Wikipedia)

A self-regulatory organization (SRO) is an organization that exercises some degree of regulatory authority over an industry or profession. (Wikipedia)

A collective agreement is an agreement made between an employer (or employers' association) and a trade union governing the relationship between the parties. It will only be legally binding upon the parties if in writing and if it states it has legal status. Some of the terms and conditions of individual employment of those employees may be covered by a collective agreement. (Legal Glossary by Clickdocs)

A law enforcement agency (LEA), in North American English, is a government agency responsible for the enforcement of the laws.

Outside North America, such organizations are called police services. In North America, some of these services are called police while others have other names (e.g. sheriff's office/department; investigative police services in the United States are often called bureaus (e.g. FBI, USMS, ICE, CBP, ATF, DEA, USSS etc.)). (Wikipedia)