The phrase "by oversight" is correct and usable in written English.
It can be used to indicate that something was done unintentionally or as a result of a mistake.
Example: "The error in the report occurred by oversight, and we have since corrected it."
Alternatives: "by mistake" or "due to an oversight."
Their neighbourhood polling places were "by oversight" locked up.
They acknowledge that the plant's safety record, while certified by oversight agencies, is less than perfect.
The immigration department's approach to privacy and how it manages personal records has been raised previously by oversight bodies.
Mr. Allen said the office's operations would be monitored closely by oversight committees, inspectors general and Homeland Security's privacy office.
A former colleague recalled that, after attending a demonstration by Special Forces officers, he mocked the C.I.A., which was constrained by oversight laws.
One approach is to hold committee hearings that would expose the health-care law to a trial by oversight, so thoroughly revealing its flaws that Republicans could try for full repeal near the end of the session.
Instead, online small-business lenders are governed by a fragile latticework of state-by-state oversight.
These fears seem overblown and should be easily addressed in coming months, partly by strengthening oversight by ombudsmen and surveying beneficiaries to detect and remedy any problems.
Investigation has indicated the explosion was the fault of the platform operators (under BP supervision), facilitated by lax oversight by the US Department of Interior's Minerals Management Service.
The QI/QIR document would be reviewed by a person designated by the oversight committee (first step).
The securities under scrutiny by the oversight office are bonds backed by mobile homes and aircraft leases.
