The phrase "agreement on having" is correct and usable in written English.
You can use it when discussing a mutually agreed upon situation in which something is having to happen. For example: "We reached an agreement on having to start the project earlier than planned."
Officials involved in the negotiations said there had been no narrowing of differences over pay in six meetings with a mediator, adding that the two sides were near agreement on having faster procedures to get rid of incompetent teachers.
Commissioner Fay Vincent said today that people from his office and the Players Association were continuing to try to reach agreement on having 27-player rosters for the first three weeks of the season.
But currently there is no agreement on having mandatory rules governing the variable quality of carbon offsets to be used in the scheme and some ICAO countries seem intent on a divisive race to be exempted from the scheme.
Instead agreement was reached on having regulated CBE training programmes that follow an agreed curriculum to improve standardisation and quality.
Find or write a proper legal agreement for having the horse on trial.
It would be crazy to have that without an agreement on tax havens, and some agreement on information sharing.
No global agreement on actions has yet emerged, but actually we have made great strides, based on the best scientific research.
The government says the city agreements were never conditional on having elected mayors.
The agreement on Gaza had been expected to include a troop withdrawal from Bethlehem, which has been mostly calm recently.
Gaseous emissions, often not included in wastewater LCAs because of lack of data or lack of agreement on impacts, have the largest impact on climate change.
This argument can be strengthened by recognizing that the Doha framework agreement on agriculture has an enormous impact on the health of poor people around the world.
