"it is necessary to inform" is a correct and usable phrase in written English.
It is often used to introduce an action that is required or advised to take. Example: In order to ensure the safety of all employees, it is necessary to inform the authorities of any safety hazards in the workplace.
"I fear it is necessary to inform the Greeks that commitments have to be adhered to," said the Austrian Chancellor, Werner Faymann.
"Even though Germany is no longer considered a BSE-free country, it is necessary to inform consumers at length about the high quality and safety standards of German beef," said a CMA spokesman.
Often it is necessary to inform patients about the approach in AM consultations.
We believe that it is necessary to inform women about specific mechanisms of action of FP methods in order to provide an adequate and fully informed consent and to ensure women's right to a free choice.
Therefore it is necessary to inform the families that it can take months until the colonic wash is well functioning because the individual amount and type of enema must be tried out, even if this has been done before with rectal enema.
"It contained details about my closest relatives and advice that if something happened to me, it was necessary to inform the police," he said.
He reiterated in his testimony that his son did not know the details of his contracts or the structures created in other countries to handle his income from image rights: "I didn't think it was necessary to inform him of everything".
Of course, users would never know that Facebook had rolled out 3D Touch today because of Facebook's refusal to offer detailed app release notes – a plague in the industry, where developers no longer feel it's necessary to inform users of the changes arriving in new versions of their applications.
It's kind of crazy, as Paul would say, that it's necessary to inform the senator how our Constitution works.
Due to consideration for the participating families, and to avoid additional dropout on this account, it was necessary to inform participants of allocation three weeks prior to baseline measurements.
As any change in health service settings usually faces resistance, we emphasize that CPOE system designers and healthcare decision-makers should continually collect users' feedback about the systems, while not forgetting that it also is necessary to inform the users about the potential benefits involved.
