Validation rules and calculations for all the elements are as follows:

1. seller.rin length must be 9 digits
2. if buyer.type is [B], buyer.id length must be 9 digits
3. if buyer.type is [P] and buyer.id is not null, buyer.id length must be 14 digits
4. header.dateTimeIssued can’t be in the future
5. itemData[*].quantity is a decimal number up to 5 decimal precisions
6. itemData[*].unitPrice is a decimal number up to 5 decimal precisions
7. itemData[*].unitPrice >= 0
8. itemData[*].commercialDiscountData[*].amount >= 0
9. totalCommercialDiscount <= totalSales
10. itemData[*].totalSale is a decimal number up to 5 decimal precisions
11. itemData[*].totalSale = itemData[*].quantity * itemData[*].unitPrice
12. itemData[*].netSale is a decimal number up to 5 decimal precisions
13. itemData[*].netSale = itemData[*].totalSale – Sum(itemData[*].commercialDiscountData[*].amount)- Sum (itemData[*].additionalCommercialDiscount.amount)
14. itemData[*].valueDifference is a decimal number up to 5 decimal precisions
15. itemData[*].itemDiscountData[*].amount is a decimal number up to 5 decimal precisions
16. totalAmount is a decimal number up to 5 decimal precisions
17. itemData[*].total = itemData[*].netSale + t3Amount [itemData[*].taxableItems[taxType=T3].amount] + TotalTaxableFees [Sum(itemData[*].taxableItems[taxType=T5-T12].amount)] + t2Amount [itemData[*].taxableItems[taxType=T2].amount] + t1Amount [itemData[*].taxableItems[taxType=T1].amount] - Sum(itemData[*].itemDiscountData[*].amount) - Sum(itemData[*].additionalItemDiscount.amount) - t4Amount [itemData[*].taxableItems[taxType=T4].amount] + NonTotalTaxableFees [Sum(itemData[*].taxableItems[taxType=T13-T20].amount)]
18. totalSales is a decimal number up to 5 decimal precisions
19. totalCommercialDiscount is a decimal number up to 5 decimal precisions
20. netAmount is a decimal number up to 5 decimal precisions
21. totalItemsDiscount is a decimal number up to 5 decimal precisions
22. taxTotals[*].amount is a decimal number up to 5 decimal precisions
23. totalSales = Sum (itemData[*].totalSale)
24. totalCommercialDiscount = Sum (itemData[*].commercialDiscountData[*].amount) + Sum (itemData[*].additionalCommercialDiscount.amount)
25. netAmount = Sum(itemData[*].netSale)
26. taxTotals <taxType> = Sum (itemData[*].taxableItems[taxType=].amount)
27. totalItemsDiscount = Sum (itemData[*].itemDiscountData[*].amount) + Sum (itemData[*].additionalItemDiscount.amount)
28. extraReceiptDiscountData[*].amount is a decimal number up to 5 decimal precisions
29. totalAmount = Sum (itemData[*].Total) - Sum (extraReceiptDiscountData[*].amount) + adjustment
30. itemData[*].taxableItems[*].amount is a decimal number up to 5 decimal precisions
31. if itemData[*].taxableItems[*].subType is not fixed, itemData[*].taxableItems[*].rate must be between 0 and 999
32. if itemData[*].taxableItems[*].rate > 0, it is a decimal number up to 2 decimal precisions
33. itemData[*].taxableItems[*].amount >= 0
34. header.netWeight - pattern match to have decimal value with up to 5 decimal precision digits
35. header.grossWeight - pattern match to have decimal value with up to 5 decimal precision digits
36. if Channel = “ERP” OR Channel = “POS” and itemData[*].taxableItems[*].subType provided is fixed, then itemData[*].taxableItems[*].rate should be provided as zero or not provided at all
37. if header.currency is not [EGP], header.exchangeRate is a decimal number up to 5 decimal precisions
38. buyer.type is [B], seller.rin != buyer.id (can’t be the same)
39. itemData[*].itemDiscountData[*].amount >= 0
40. if itemData[*].taxableItems[*].taxtype=T2, then itemData[*].taxableItems[*].amount = (itemData[*].netSale + TotalTaxableFees [Sum(itemData[*].taxableItems[taxType=T5-T12].amount)] + itemData[*].valueDifference) * itemData[*].taxableItems[taxType=”T2”].rate / 100
41. if itemData[*].taxableItems[*].taxtype=T3, then itemData[*].taxableItems[*].rate = 0 OR is not supplied (rate for this item should always be 0 as this if fixed amount item)
42. if itemData[*].taxableItems[*].taxtype=T1, then itemData[*].taxableItems[*].amount = (itemData[*].taxableItems[taxType=”T2” <TableTaxPercentageT2>].amount + itemData[*].netSale + TotalTaxableFees [Sum(itemData[*].taxableItems[taxType=T5-T12].amount)] + itemData[*].valueDifference + itemData[*].taxableItems[taxType=”T3” <TableTaxFixedAmountT3>].amount) _ itemData[*].taxableItems[_ TaxableItem<T1>].Rate / 100
43. itemData[*].total is a decimal number up to 5 decimal precisions
44. if itemData[*].commercialDiscountData[*].rate>0, then itemData[*].commercialDiscountData[*].amount= itemData[*].commercialDiscountData[*].rate * itemData[*].totalSale/ 100
45. if itemData[*].itemDiscountData[*].rate>0, then itemData[*].itemDiscountData[*].amount= itemData[*].itemDiscountData [*].rate * itemData[*].netSale / 100
46. if itemData[*].additionalCommercialDiscount.rate>0, then itemData[*].additionalCommercialDiscount.amount= itemData[*].additionalCommercialDiscount .rate * (itemData[*].totalSale – Sum(itemData[*].commercialDiscount[*].amount))/ 100
47. if itemData[*].additionalItemDiscount.rate>0, then itemData[*].additionalItemDiscount.amount= itemData[*].additionalItemDiscount.rate * (itemData[*].netSale – Sum(itemData[*].itemDiscountData[*].amount))/ 100
48. if extraReceiptDiscountData[*].rate>0, then extraReceiptDiscountData[*].amount= extraReceiptDiscountData[*].rate * netAmount / 100