Pierce Butler, United States v. Magnolia Petroleum Company…
“ If the protest was sufficient under section 1324 (a) , interest should have been calculated on the amount of the refund from the date of the payment of the taxes. The lower court held it valid. In order to meet the condition specified in section 1324 (a) , the payment must be made 'under a specific protest setting forth in detail the basis of and reasons for such protest.' The findings set forth its language. The grounds asserted were that the taxing acts were ambiguous, uncertain and unconstitutional; that they did not apply to respondent ”
