The phrase "adhere to both" is correct and usable in written English.
You can use it when discussing the importance of following two specific rules, guidelines, or principles simultaneously.
Example: "In order to maintain compliance, it is essential to adhere to both the company policies and the industry regulations."
Alternatives: "comply with both" or "follow both".
We found that EPCs were capable to adhere to both surfaces in flattened and elongated morphology.
What we emphasize is understanding of the law and the need to adhere to both its letter and its spirit".
SLAC is funded by the U.S. Department of Energy, therefore all reimbursement for travel must adhere to both DOE and Stanford University policies and guidelines.
This work evaluated a water-soluble bioadhesive patch, loaded with ALA, which can adhere to both intact skin and mucous surfaces.
In the end, the journal suggested that the only way to adhere to both journal policy and copyright law was to suggest Mehr and his team be given access to the videos in the original author's lab.
The N.S.A. issued a rare public response, insisting that there was no "monitoring activity" involved: "We strictly adhere to both the spirit and the letter of U.S. laws and regulations".
28 Only one organisational study reported measures relating to drug use and adherence and found significant improvements in proportions of intervention patients adhering to both antidepressants and antihypertensives, as measured using automated counting systems in the caps of medicine bottles (MEMS caps).
In order to assess the ability of each MFGM protein of interest to inhibit F4ac-positive E. coli adherence to porcine intestine, we employed an already established cellular system (IPEC-J2 cell line) [ 6] and confirmed that F4ac-positive E. coli adheres to both IPEC-J2 cells and pig enterocytes in a slide adherence assay (data not shown).
And by keeping the watch, you adhered to both the letter -- or would have, had there been an actual letter -- and the spirit of departmental policy.
Early mixtapes put out by Syd and Martians were adhering to both the chord logic of jazz and the experimentalism of funk, nearly derivatively so.
Mouse fibroblasts (NIH-3T3) preferentially adhered to both SAMs, while fewer cells were attached to the more hydrophobic, intact gold substrate.
