The phrase "required at this stage" is correct and usable in written English.
You can use it when you need to express that something is necessary for the current step or phase in a process. For example, "All of the required documents must be submitted at this stage of the application process."
After studying laboratory tests, I advised him that treatment was not clearly required at this stage of the illness.
No details about your project are required at this stage, but your statement will help us determine how many NIH Challenge Grant proposals to expect.
Additional modelling studies and cost benefit analyses will be required at this stage to verify the outcome of our studies and to optimise the design.
The model is based on an object-oriented approach using the Modelica language, which easily allows to preserve the high modularity required at this stage of the design.
But more importantly the District Court was required at this stage of the proceedings to construe Notebaert's ambiguous statement in the plaintiffs' favor.11 See Allen v. Wright, 468 U. S. 737, n. 1 (1984).
Seeking to contain the fallout from the attack, Abdel-Hafidh Ghoga, the transitional council's deputy chief, resigned Sunday, telling the Arabic satellite channel Al Jazeera, "My resignation is for the benefit of the nation and is required at this stage".
Even this primal hairdo requires, at this stage of my life, joint effort.
At 15-0, Murray throws in another double-fault, which is precisely not what he requires at this stage.
Similarly, the function of the cytochrome p450 (VDAG_03650) may not be required at this late stage.
It sounds a bit like dereliction of a rock critic's duty to say it, but what is required at this late juncture on the Pyramid stage is not a head-spinningly original and challenging exploration of rock's bleeding edge.
Further validation work is required and at this stage the assay is available for evaluation at www.ChipDX.com.
