The deceased, Waldo Earl Frith, died on 25 February 1997, leaving a will in terms of which he made various cash bequests to his children, grandchildren, a charity and former employees, totalling R2 989 000. The residue of his estate was bequeathed to his surviving spouse. The gross value of the estate was R13 560 363,33 and liabilities and administration costs amounted to R280 411,90. It was common cause that the bequest to the surviving spouse qualified for a deduction under section 4(q) of the Estate Duty Act 45 of 1955. The dispute concerned how that deduction should be quantified: whether the value ‘accruing’ to the surviving spouse should be calculated before or after taking estate duty into account. The Commissioner assessed estate duty on the basis that the section 4(q) deduction excluded estate duty, resulting in a higher duty payable. The executor contended that the full residue before estate duty accrued to the spouse and was deductible, resulting in a lower duty. The executor successfully appealed to the Income Tax Special Court, and the Commissioner appealed further to the Supreme Court of Appeal.