'internal approval' is correct and usable in written English.
You can use it to refer to the approval of an idea or plan within a given organization. For example, "The new software project must receive internal approval before we can move forward."
Internal approval of new green materials isn't always enough.
Some expected his career to suffer but he emerged unscathed and, to widespread internal approval, won the Radio 4 job.
Ernst & Young said it was "reviewing what happened to take appropriate action and to ensure our internal approval procedures are enhanced to ensure that such an embarrassing situation will not happen again," it said.
Despite a new internal approval process, and as a result of our ongoing global expansion, our use of international flights has seen a 45% increase in associated carbon emissions to 2498tCO23.
"We are repeatedly told that communications data plays a significant role in modern policing, yet the report's findings pose serious questions about the internal approval process, which differs from force to force.
Deutsche Bank issued a statement Monday saying said the financing transaction with Monti dei Paschi in 2008 "was subject to our rigorous internal approval processes and also received the requisite approvals of the client who was independently advised".
HP's Board of Directors has approved this proposal, which is not subject to any additional internal approvals.
"Our features help businesses author contracts, gain internal approvals, negotiate, sign, archive, track and manage contracts… And because we have all the contract data we are able to tell you how to make better decisions around contracts by showing actionable analytics.
Some well meaning colleagues counseled me to get multiple internal approvals.
"The documents show that Fannie Mae officials strongly supported the concept of principal reduction and fully evaluated its risks and benefits as they obtained the necessary internal approvals to finalize the program".
But this will be scant reassurance for a prime minister who must now seek his internal critics' approval for every bill passed by his cabinet.Neither the rebels nor Mr Fini resigned from the party.
