Marula Platinum Mines Ltd, a mining company and subsidiary of Impala Platinum Holdings, extracted mineral-bearing ore and subjected it to crushing, milling and flotation processes to produce a saleable mineral concentrate. Marula sold the concentrate to a related entity under a contract where the price depended on future market prices and was only payable five months later. Relying on s 24M of the Income Tax Act 58 of 1962, Marula deferred inclusion of unquantified sales income into later tax years, but claimed deductions in the same year for production-related expenditure under s 11(a). SARS accepted the income deferral but invoked s 23F(2) to disallow portions of the deductions, arguing that the ore and concentrate constituted trading stock produced through manufacturing. The Tax Court partially upheld Marula’s appeal, limiting s 23F(2) to phase 2 operations. SARS appealed to the Supreme Court of Appeal, and Marula cross-appealed.