When should a company go outside (to professionals) for tax advice?

Always, unless you have a tax specializing CPA on staff. You have a much higher chance of audit and possible interest and penalties by filing without a professional tax accountant's review.When should a company go outside (to professionals) for tax advice?
ALWAYSWhen should a company go outside (to professionals) for tax advice?
Deleting answer. I don't help with homework questions.