The phrase "agrees on a protocol" is correct and usable in written English.
It can be used when discussing consensus or mutual understanding regarding a specific set of rules or procedures in a formal or technical context.
Example: "After several meetings, the team finally agrees on a protocol for data sharing that ensures security and efficiency."
Alternatives: "reaches an agreement on a protocol" or "consents to a protocol".
Governments and treatment sites from the five participating countries agreed on a sound study protocol, and the INCANT trial is now underway as planned.
Still, it has been only within the last few weeks that the two departments agreed on a protocol governing such investigations.
Wiley says the holdup is "the administrative process": agreeing on a protocol, getting collaborators to sign the right contracts, securing insurance in case something goes wrong.
Before the start of the clinical phase, the 3 treating therapists agreed on a protocol of therapeutic exercises (type; dosage; progression).
Although all teams met in June 2011 and agreed on a protocol, the time it took to receive institutional review board approval as well as contact all necessary key informants within the following 3 months proved overly optimistic.
Indeed, the international community agreed on a 'Detection Protocol' in 1990 that sets out the steps that a research group should take in the event of a contact.
Penny points out that the international community has yet to agree on a Reply Protocol because there are widely differing views on whether such a course of action would be beneficial or dangerous for humanity.
New York City's Police and Fire Departments agreed on a new protocol for responding to a variety of life-or-death emergencies, putting to rest a long-running dispute.
America under both Bill Clinton and George Bush has shunned a new international criminal court, the treaty for which has been ratified by 70 other countries, and the Bush administration has pulled out of efforts to agree on a verification protocol for the Biological Weapons Convention.
