def METHOD_NAME():
	def make_sales_invoices_wrapper(item, rate, tax_account, tax_rate, tax=True):
		si = create_sales_invoice(
			company="_Test Company SA VAT",
			customer="_Test SA Customer",
			currency="ZAR",
			item=item,
			rate=rate,
			warehouse="Finished Goods - _TCSV",
			debit_to="Debtors - _TCSV",
			income_account="Sales - _TCSV",
			expense_account="Cost of Goods Sold - _TCSV",
			cost_center="Main - _TCSV",
			do_not_save=1,
		)
		if tax:
			si.append(
				"taxes",
				{
					"charge_type": "On Net Total",
					"account_head": tax_account,
					"cost_center": "Main - _TCSV",
					"description": "VAT 15% @ 15.0",
					"rate": tax_rate,
				},
			)
		si.submit()
	test_item = "_Test SA VAT Item"
	test_zero_rated_item = "_Test SA VAT Zero Rated Item"
	make_sales_invoices_wrapper(test_item, 100.0, "VAT - 15% - _TCSV", 15.0)
	make_sales_invoices_wrapper(test_zero_rated_item, 100.0, "VAT - 0% - _TCSV", 0.0)