unascertained

Not certainly known or determined. Commissioner of Internal Revenue v. Owens, C.C.A. 10, 78 F.2d 768, 773.

See uncertainty

@ unascertained duties

Payment in gross, on an estimate as to amount, and where the merchant, on a final liquidation, will be entitled by law to allowances or deductions which do not depend on the rate of duty charged, but on the ascertainment of the quantity of the article subject to duty

@