It depends on what country you are in. The Cartagena Protocol is an international protocol.
The protocol to the international treaty on economic, social and cultural rights.
The Kyoto Protocol.
The Geneva Protocol was signed on June 17, 1925, prohibiting the use of chemical and biological weapons in international armed conflicts. The main elements of the protocol are now considered by many to be part of customary international law.
ICMP protocol.
The Montreal Protocol is the international protocol established to protect the ozone layer by phasing out the production and consumption of ozone-depleting substances such as chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs). It has been successful in reducing the global emissions of these harmful substances and is considered a landmark environmental agreement.
Montreal Protocol
NTP (Network Time Protocol)
It's an international agreement to protect the ozone layer.
International Standards Organization(ISO)
There are international agreements in place, such as the Montreal Protocol, that aim to reduce and eventually phase out the use of ozone-depleting substances. With strict adherence to these agreements, the ozone layer is expected to recover and stop depleting in the future.
Montreal Protocol was set up. It was formed in 1988.