The phrase 'are required to proceed' is correct and usable in written English.
You can use it whenever you need to describe the need for someone to move forward in order to attain a desired outcome. For example: "In order to complete this task, students are required to proceed with the instructions given."
The bride and groom are required to proceed four times around the Guru Granth Sahib to the singing of Guru Ram Das's Suhi Chhant 2, which differs from the Hindu custom of circling a sacred fire.
The 196-page report, "Capitol Offense: Police Mishandling of Sexual Assault Cases in the District of Columbia," concludes that in many sexual assault cases, the police did not file incident reports, which are required to proceed with an investigation, or misclassified serious sexual assaults as lesser or other crimes.
Several molecular determinants are required to proceed through the "active" steps of the metastatic process, such as escape from anoikis/apoptosis, preferential homing to specific organs, extravasation and growth in such secondary sites.
We are now aware about the minor modifications that are required to proceed to a definitive clinical trial employing the ASICA intervention.
Moreover, DNA methylation provides necessary direction for the multitude of changes that are required to proceed from a fertilized oocyte to a fully developed adult animal [ 6, 7].
Milk proteins are required to proceed through a variety of conditions of radically varying pH, which are not identical across mammalian digestive systems.
Some costs are the unavoidable consequences of a system of government which is required to proceed against its citizens in a public trial in an adversary proceeding.
As Doug was not virtually certain his ball was lost in the G.U.R., he was required to proceed under Rule 27-1 for a lost ball.
Police officers should generally be notified when they are being recorded, but the officer's consent should not be required to proceed.
The officer was required to proceed at once against any such person, but, if no one was found claiming the vehicle, it was to be sold after appropriate notice, and the proceeds paid into the Treasury.
In this case, for example, petitioners' claims under the 1934 Act were subjected to arbitration, while their claim under the 1933 Act was not permitted to go to arbitration, but was required to proceed in court.
