The phrase "as set down" is correct and usable in written English.
It can be used to refer to something that has been established, recorded, or specified in a particular way.
Example: "The rules of the game are as set down in the official handbook."
Alternatives: "as stated" or "as outlined".
The first rules of basketball, as set down by Dr. James Naismith, don't look bad for age 119.
Burglary, robbery and car-crime are among their "key performance indicators", as set down by the Home Office, but attacks on businesses are not.Perhaps it is time they were.
History, as set down by the Queen herself in "More Leaves," does record that whatever else Mr. Brown her friend & gardner was, he was one thing unquestionably-accident-prone.
So beginneth an onion tart recipe as set down by Geoffrey Chaucer — and imagined by Mark Crick, who speculates how Chaucer, Virginia Woolf and Raymond Chandler would have written cookbooks.
He said they were working on a long-term scheme to reward the board in 2015, as an appropriate, performance-related bonus was in their licence conditions as set down by the Office of Rail Regulation.
Hardly remarkable anywhere else - but this is the Islamic Republic of Iran, a country officially dedicated to a fundamentalist vision of Islam, as set down by Ayatollah Khomeini in the aftermath of the 1979 revolution.
But Hiddink manages like a convict on the run; as soon as he set down the F.A. Cup, he was gone.
Remember that rewriting is as much a part of the process as setting down your first draft.
He also looked back to such historical paintings as Raphael's Fire in the Borgo as he set down the greatest human statement of the 20th century.
As McGarry set down the plate, some of the roe toppled off.
Excerpts from my reviews rang in my ears as I set down scenes and dialogue.
