No, I think both of the following statements can be true at the same time:
1. The audited financial statement meets all requirements and is accurate according to the relevant definitions, stating that the effective federal tax rate is 30%.
I don't think those statements can be true at the same time, without significant qualifications on (2) in a way that make it meaningless. Certainly not the reasonable straightforward reading of the phrase.
Maybe you are right, but maybe the significant qualifications are on (1) in a way that make it meaningless.
There is a reason why large companies have entire departments dedicated to identifying and utilizing every available national and international tax loophole, all while working to maintain a positive public image.
Companies use different numbers for different things for maximum advantage. The president of the United States does so routinely in his business dealings. One set of numbers when getting insurance and another when getting a loan.