The phrase "agreed on a protocol" is correct and usable in written English.
It can be used when discussing the consensus reached by a group or individuals regarding a specific set of rules or procedures to follow.
Example: "After several meetings, the team finally agreed on a protocol for the project implementation."
Alternatives: "reached a consensus on a protocol" or "established a protocol".
Still, it has been only within the last few weeks that the two departments agreed on a protocol governing such investigations.
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.
Governments and treatment sites from the five participating countries agreed on a sound study protocol, and the INCANT trial is now underway as planned.
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.
The two countries have committed to agreeing on a protocol by the end of the year.
The Nationals' guidelines for increasing innings after surgery appear logical, but the careers of Strasburg and Giolito might need to play out before the industry agrees on a protocol for how many innings a pitcher should work as he recovers from the procedure.
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.
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.
We agreed on a common protocol prior to data collection based on data availability in the studies.
A8 A Minimum Age for Combat Negotiators in Geneva agreed on a new international protocol prohibiting the use of child soldiers in war, after the United States dropped opposition to establishing 18 as the minimum age for combat.
