'is only requested' is correct and usable in written English.
You can use it when referring to a situation or condition that someone is asking for. For example, "Additional information which is only requested if needed."
An agency worker has to work flexible hours and is only requested to come to work when there is work to be done.
Karsa Flash Payer offers a way for content creators to monetize their online video using a bait and switch model in which payment is only requested mid-viewing, once the user is already hooked.
In PSR, the disseminated state information carries vehicle's current state and the predictive states, and the state information is only requested and updated when the last predictive state information is not consistent with the vehicle's current state, which significantly save the control packet overhead.
Please note that you do not need to enter a FAO Index number as this is only requested from current or former FAO Employees.
Screening for ova and parasites is only requested for children with diarrhoeal symptoms using the triple-faeces test in which three stool samples, collected on 3 consecutive days, are examined according to a concentration technique and permanent staining.
While all providers charge for treatment, spiritual healing and informal treatment were associated with greater economic flexibility in terms of credit, payment in kind and for some herbalists a small consultation fee is requested while a larger sum is only requested upon recovery.
"The commission is only requesting what any person on the street in California can walk into a county election office and get," he said.
"While the act allows for extensions of time in certain circumstances, the commissioner would expect those extensions are only requested when there is a substantive reason.
Downing Street said any redactions were only requested on "national security" grounds and contained nothing to suggest UK agencies had participated in torture or rendition.
Demonstrations allow new actions to be learned and they greatly reduce the amount of exploration required, but they are only requested when they are expected to yield a significant improvement because the teacher's time is considered to be more valuable than the robot's time.
They were only requested to build their maps as they understood.
