The phrase "that agreed upon" is grammatically correct and can be used in written English.
It is used to refer to something that has been previously decided or accepted. Example: The terms of the contract that we agreed upon last week have now been finalized.
Accomplishment of a task in accordance with that agreed upon standards of accuracy, completeness and efficiency (http://www.businessdictionary.com/definition/human-performance.html ).html
"Exactly sixty-five yeafterfter Brazil presided over the UN General Assembly session that agreed upon the partition of Palestine, Brazil will host a different type of global forum," reads the official WSF-Free Palestine call statement on its website.
The time period is consistent with Healthy People 2020 objectives for chronic kidney disease and is slightly longer than that agreed upon by consensus in a study by Ayanian et al.[ 24].
After eight days the North Vietnamese agreed to return to Paris to sign an agreement essentially the same as that agreed upon in October.
With unemployment at more than twenty per cent, and many people who still have a job facing wage cuts, it is hardly surprising that so many voted against a government that agreed upon further austerity measures as part of the country's latest bailout by international creditors.
Be aware that agreed upon plans might need to be postponed or canceled depending on how they feel.
On why he believes that the owners' October offer and the offer that was agreed upon are similar.
And any sweeping changes that are agreed upon will take months, or longer, to be put into place.
Instead of holding to that agreed-upon 20 percent of mortgage-backed securities in the portfolio, it actually turned out that 46 percent of the Access portfolio was in mortgage-backed securities, including those securities backed by home equity loans.
For example, Ms. Pennewell said, if Fannie Mae pledged to buy a bundle of mortgages for a certain price on a certain date, in the past the transaction would be valued at that agreed-upon price.
And any change in that agreed-upon deadline is supposed to come only at the request of the Iraqi government.
