The phrase "an approved master" is correct and usable in written English.
It can be used in contexts where you are referring to a master document, plan, or version that has received official approval.
Example: "Before proceeding with the project, we need to ensure that we are working from an approved master to avoid any discrepancies."
Alternatives: "a sanctioned master" or "an authorized master".
A newly approved master plan calls for transforming the site around the airport into the area's largest commercial and industrial park.
"Having now seen a copy of the approved master plan, we see that the council's stubborn refusal to consider alternative possibilities to its new station remains," he said.
From a vaccine production point of view, the characteristic of continuous growth is beneficial, since such cells have the potential for an infinite lifespan, and characterized and approved master and working cell banks can be established.
The approved master plan for Great Pond Village — named for a 20-acre pond on the property — calls for 4,010 new housing units (about half rentals), and 853,000 square feet of commercial space, including 85,000 square feet of neighborhood-style retail.
Then, we analyzed the city's recently approved master plan to determine whether it can regulate urban growth.
Years earlier, he had approved masters of his films for VHS and laser disc.
The bar association does not approve master's programs, beyond certifying that a new one at an approved law school will not detract from the J.D. program.
For the project, to make it the best it could be, I needed to immerse myself in his music, sorting through countless tapes to compile bonus material, approving masters, etc. and that partially numbed the emotional impact of listening to the music again, though not reliably or consistently so.
Completion of an approved plumbing apprenticeship of at least 4 years under the supervision of a master plumber.
For a potential developer, the county recently approved a master plan for the lot to hold 43 single-family homes on plots ranging from 0.5 acres to 1.67 acres.
