The part of a sentence "requested to have" is correct and usable in written English.
You can use it when you want to express that someone asked for something. For example, "The customer requested to have the product delivered as soon as possible."
The detection technology is requested to have high accuracy.
Allen apparently requested to have the shot taken with the officers as a prank.
Because of his Navy affiliation, he requested to have his ashes taken out to sea.
In Europe, fresh produce processing and trading companies are requested to have a company-specific sampling plan that covers all on-site food safety risk issues.
Observers were requested to have discussions with workers, visit the site, distribute training materials to workers, and provide feedback to crews and display charts.
Therefore, if you cannot locate a specific individual on the list, that person may have requested to have their information kept private.
As an example, the methodology developed was applied to the formulation of syrups which were requested to have the same sensorial properties as those of the traditional product but a lower calorie content.
But the update might remind other users of Apple's recent U2 PR disaster, where it pushed the band's new album to user's phones without asking them, many of whom then requested to have it removed.
The reports that Rumaysah has now made his way to the territories controlled by Isis emerged, the Mail said, from a bail hearing where Choudary and others requested to have their own passports returned.
Mr. Fesselmann originally requested to have his full name kept out of media reports, and was cited only as Wilfried F. by The New York Times in a previous article.
A Guild officer came to me, explaining that this reporter had requested to have it removed, was ignored and would like to have it taken off for the later editions.
