10SThe 3-year average price for regular cast ewes and the 3-year average price for lambs ascertained under Part I, or the mean of the average prices calculated under Part II, of this Schedule, as the case may be.
10SThe 3-year average price for regular cast ewes and the 3-year average price for lambs ascertained under Part I, or the mean of the average prices calculated under Part II, of this Schedule, as the case may be.