The phrase "asked to maintain a" is correct and usable in written English.
It can be used when referring to a request or requirement for someone to uphold or continue a certain standard, condition, or practice.
Example: "The team was asked to maintain a high level of professionalism during the project."
Alternatives: "requested to uphold a" or "instructed to keep a".
But opposition supporters booed and shouted "shame" when asked to maintain a truce with police.
Under RIP, some UK internet service providers (ISPs) will be asked "to maintain a reasonable intercept capability".
Ofsted has also been asked to maintain a "regular presence" in Birmingham's schools, reporting directly to the prime minister and education secretary.
The data from these periods have been previously reported.17 After 16 weeks, subjects were asked to maintain a similar dietary pattern as best as they could for the next 52 weeks (12-month follow-up period).
Participants were asked to maintain a consistent balance between speed and accuracy throughout the task.
During all recordings, the patients were seated with their head unsupported and were asked to maintain a naturally erect position.
Being asked to take a show with a distinctive, delicate chemistry and increase its audience is definitely a more difficult proposition than being asked to maintain an already highly rated franchise.
Detlev Mehlis, the German prosecutor leading the United Nations investigation into the assassination of the former Lebanese prime minister Rafik Hariri last February, will leave his post this month, as planned, but is being asked to maintain an "association" with the inquiry, which is now expected to continue into next year, said Stéphane Dujarric, a spokesman for Secretary General Kofi Annan.
Each speaker was asked to maintain an approximately 10-mph pace on the machine (there is a digital readout which indicates speed and allows the subject to maintain the requested pace).
The pregnant women were asked to maintain an upright and erect posture with her feet together a horizontal headpiece was lowered onto the women's head.
All participating general practitioners, secretaries, and nurses will be asked to maintain an anonymous screening log of all patients fulfilling the inclusion criteria in the inclusion period.
