van Zyl, SP, and WG Schulze. “The Collection of Value Added Tax on Cross-Border Digital Trade – Part 2: VAT Collection by Banks”. Comparative and International Law Journal of Southern Africa 47, no. 3 (March 28, 2022): 316–349. Accessed November 21, 2025. https://unisapressjournals.co.za/index.php/CILSA/article/view/11002.