"proper approval from" is correct and a commonly used phrase in written English.
It can be used in various contexts, but typically it is used when referring to the need for official permission or authorization from someone or a group before taking a certain action or making a decision. Example: In order to implement any changes to the company's policy, we need to obtain proper approval from the senior management team.
He noted that Parks had sold the Norths' belongings without proper approval from his court.
Court papers say Dr. Sunderland failed to get proper approval from N.I.H. for his consulting work and did not properly report $285,000 in consulting fees and travel money from Pfizer for work that "directly related" to his federal research responsibilities.
The mayor has defended his decision, saying he dismissed Cochran not for his religious beliefs, but because he failed to receive proper approval from city officials to publish the book, and then spoke publicly during his suspension against the mayor's wishes, the Atlanta Journal Constitution reported.
That investigation, according to internal agency documents obtained by the Guardian and Earth Island Journal, was opened without proper approval from the agency's chief legal counsel and a senior special agent, resulting in a report of "substantial non-compliance" with rules set out by the US justice department.
Today, the Klinikum Ludwigshafen and the German state medical association of Rheinland Pfalz announced that 90 of 115 studies they examined lacked proper approval from an institutional review board (IRB).
Time Warp told DNAinfo "they [had] received all proper approvals from DCAS before beginning sales for the event".
The issue of proper approvals from regulatory agencies is becoming more important on the heels of the news that the Financial Crimes Enforcement Network (an arm of the US Treasury) fined Ripple Labs $700,000 for acting as a money services business without filing the proper paperwork.
Because marijuana takes some time to grow and cultivate, NIDA says it "has to predict future research interest so that a customized order is ready once a researcher has obtained all the proper approvals" from all the federal agencies involved.
On March 30, the clubhouse received two warning letters from the Landmarks Preservation Commission for failing to obtain proper approval for a canopy and a temporary exterior vestibule at its Gramercy Park South entrance.
A judge in California ruled that Aspire Public Schools, a large non-profit chain, hadn't secured the proper approval for six of its schools and would have to get permission from local boards of education to continue running them.
Authorities fined the low-cost carrier for failing to get proper approval for the video.
