The phrase "upon satisfactory" is correct and usable in written English.
You can use it to describe a condition or requirement that must be met before something else can happen. For example: "Employees will receive a raise upon satisfactory completion of their performance evaluation."
The World Bank offered up to $500 million in loans for measures including helping vulnerable Ukranians pay their heating bills, but only "upon satisfactory completion of all the reform measures," a statement from the lenders said.
Funding is contingent upon satisfactory progress.
Continued funding is contingent upon satisfactory research effort and progress as determined by the student's adviser.
Continuing registration of graduate students is contingent upon satisfactory academic performance.
Positions are available for one year, with a possibility for renewal contingent upon satisfactory performance and funding.
Upon satisfactory completion of the requirements, the student ordinarily receives a PhD unless he or she requests an ScD.
Half of the $80,000 will be granted the first year, 40% will be awarded the second year contingent upon a satisfactory progress report to the Awards Committee, and 10% will be granted upon completion with presentation of results orally at the US Shock Society Annual Meeting.
I mean, the internal stumbling upon some satisfactory answer to the question, What is this like?
The auctioneer announced, "The sale of this next lot will be contingent upon a satisfactory resolution of a court proceeding".
I do intend, however, to release this document to the public freely upon its satisfactory completion.
Rule 17(b) requires the Government to subpoena witnesses on behalf of indigent defendants, but only "upon a satisfactory showing..
