The phrase "internally approved" is correct and can be used in written English.
It typically means that something has been approved by a company or organization's internal processes or procedures. Example: The new marketing strategy was internally approved by the board of directors before its official launch.
The first draft was discussed internally and approved by the EB.
Never take essential oils internally unless approved by a qualified health care professional.
But the use of these surveillance laws by Scottish authorities has declined since 2012 - the same year a new piece of legislation stipulated requests for communications data could no longer be approved internally, and now had to have judicial approval.
The benefits of obtaining the skeleton were clear and it was an easy sell to get the project approved internally – at least in principle.
Internal Justice Department documents released last week show that an aide had sent Mr. Breuer two drafts of the letter as attachments to e-mails on Feb. 2, telling him that it had been approved internally; he responded "great job and forwarded one of the e-mails from his BlackBerry to his personal account that day.
The use of the tissue blocks was internally reviewed and approved by the NDMC Ethics Committee.
It's the sort of thing where if you buy a device or car from a company, they inform you that unless you use approved, often internally branded parts, you're voiding the warranty and your item will no longer be supported by the company.
Actelion is only 15 years old and their first internally-discovered compound, macitentan, was approved to treat pulmonary arterial hypertension making 2013 a big year for them.
Mr Mas announced that an agreement had been reached in principle and had still to be approved formally by the parties internally.
