| Tax Code | Sale or Purchase | Net or VAT amount | Box |
| T0 | Sale | Net | Appears in Total value of sales, excluding VAT box |
| VAT | N/A |
| Purchase | Net | Appears in Total value of purchases, excluding VAT box |
| VAT | N/A |
| T1 | Sale | Net | Appears in Total value of sales, excluding VAT box |
| VAT | Appears in box T1 and VAT charged on supplies of Goods and Services box |
| Purchase | Net | Appears in Total value of purchases, excluding VAT box |
| VAT | Appears in box T2 |
| T2 | Sales | Net | Appears in Total value of sales, excluding VAT box |
| VAT | N/A |
| Purchase | Net | Appears in Total value of purchases, excluding VAT box |
| VAT | N/A |
| T3 | Sales | Net | Appears in Total value of sales, excluding VAT box |
| VAT | Appears in box T1 and VAT charged on supplies of Goods and Services box |
| Purchase | Net | Appears in Total value of purchases, excluding VAT box |
| VAT | Appears in box T2 |
| T4 | Sales | Net | Appears in box E1 and Total value of sales, excluding VAT box |
| VAT | N/A |
| T5 | Purchases | Net | Appears in box E2 and Total value of purchases, excluding VAT box |
| VAT | N/A |
| T6 | Purchases | Net | Appears in Total value of purchases, excluding VAT box |
| VAT | N/A |
| T7 | Purchases | Net | Appears in box E2 and Total value of purchases, excluding VAT box |
| VAT | N/A |
| T8 | Purchases | Net | Appears in box E2 and Total value of purchases, excluding VAT box |
| VAT | Appears in boxes T1 and T2 and VAT due on intra-EU acquisitions box |
| T9 | Non-vatable tax code which doesn't appear on the VAT return. |
| T10 | Purchases | Net | Appears in Total value of purchases, excluding VAT box |
| VAT | N/A |
| T11 | Purchases | Net | Appears in Total value of purchases, excluding VAT box |
| VAT | Appears in box T2 |
| T12 | Purchases | Net | Appears in Total value of purchases, excluding VAT box |
| VAT | N/A |
| T13 | Purchases | Net | Appears in Total value of purchases, excluding VAT box |
| VAT | Appears in box T2 |
| T14 | Sales | Net | Appears in Total value of sales, excluding VAT box |
| VAT | N/A |
| T15 | Purchases | Net | Appears in box E2 and Total value of purchases, excluding VAT box |
| VAT | N/A |
| T16 | Purchases | Net | Appears in Total value of purchases, excluding VAT box |
| VAT | N/A |
| T17 | Purchases | Net | Appears in box E2 and Total value of purchases, excluding VAT box |
| VAT | N/A |
| T18 | Purchases | Net | Appears in box E2 and Total value of purchases, excluding VAT box |
| VAT | Appears in boxes T1 and T2 and VAT due on intra-EU acquisitions box |
| T19 | Purchases | Net | Appears in Total value of purchases, excluding VAT box |
| VAT | N/A |
| T20 | Purchases | Net | Appears in Total value of purchases, excluding VAT box |
| VAT | Appears in boxes T1 and T2 and VAT charged on supplies of Goods & Services box |
| T21 | Purchases | Net | Appears in Total value of purchases, excluding VAT box |
| VAT | N/A |
| T22 | Sales | Net | Appears in box ES1 and Total value of sales, excluding VAT |
| VAT | N/A |
| T23 | Purchases | Net | Appears in box ES2 and Total value of purchases, excluding VAT NOTE: Due to a software issue, the net value also appears in the Total value of sales, excluding VAT box. This box is for information only and there's no need to amend this. |
| VAT | N/A |
| T24 | Purchases | Net | Appears in box ES2 and Total value of purchases, excluding VAT
NOTE: Due to a software issue, the net value also appears in the Total value of sales, excluding VAT box. This box is for information only and there's no need to amend this. |
| VAT | Values appear in boxes T1 and T2. NOTE: Due to a software issue, the VAT value incorrectly appears in the VAT charged on supplies of Goods & Services box. This is instead of the VAT due on intra-EU acquisitions box. These boxes are for information only and there's no need to amend this. |
| T25 | Purchases | Net | Appears in box E2 and Total value of purchases, excluding VAT box |
| VAT | Appears in boxes T1 and T2 and VAT due on intra-EU acquisitions box |
| T26 | Purchases | Net | Appears in box E2 and Total value of purchases, excluding VAT box |
| VAT | Appears in boxes T1 and T2 and VAT due on intra-EU acquisitions box |
| T27 | Sales | Net | Appears in Total value of sales, excluding VAT box |
| VAT | Appears in box T1 and VAT charged on supplies of Goods and Services box |
| Purchases | Net | Appears in Total value of purchases, excluding VAT box |
| VAT | Appears in box T2 |
| T28 | Sales | Net | Appears in Total value of sales, excluding VAT box |
| VAT | Appears in box T1 and VAT charged on supplies of Goods and Services box |
| Purchases | Net | Appears in Total value of purchases, excluding VAT box |
| VAT | Appears in box T2 |
| T29 | Purchases | Net | Appears in box ES2 and Total value of purchases, excluding VAT |
| VAT | Appears in boxes T2 and VAT due on intra-EU acquisitions |
| T30 | Purchases | Net | Appears in box ES2 and Total value of purchases, excluding VAT |
| VAT | Appears in boxes T2 and VAT due on intra-EU acquisitions |
| T31 | Sales | Net | Appears in Total value of sales, excluding VAT box |
| VAT | Appears in box T1 and VAT charged on supplies of Goods and Services box |
| Purchases | Net | Appears in Total value of purchases, excluding VAT box |
| VAT | Appears in box T2 |
| T32 | Sales | Net | Appears in Total value of sales, excluding VAT box |
| VAT | Appears in box T1 and VAT charged on supplies of Goods and Services box |
| Purchases | Net | Appears in Total value of purchases, excluding VAT box |
| VAT | Appears in box T2 |
| T33 | Purchases | Net | Appears in box ES2 and Total value of purchases, excluding VAT |
| VAT | Appears in boxes T2 and VAT due on intra-EU acquisitions |
| T34 | Purchases | Net | Appears in box ES2 and Total value of purchases, excluding VAT |
| VAT | Appears in boxes T2 and VAT due on intra-EU acquisitions |
| T35 | Sales | Net | Appears in Total value of sales, excluding VAT box |
| VAT | Appears in box T1 and VAT charged on supplies of Goods and Services box |
| Purchases | Net | Appears in Total value of purchases, excluding VAT box |
| VAT | Appears in box T2 |
| T36 | Sales | Net | Appears in Total value of sales, excluding VAT box |
| VAT | Appears in box T1 and VAT charged on supplies of Goods and Services box |
| Purchases | Net | Appears in Total value of purchases, excluding VAT box |
| VAT | Appears in box T2 |
| T37 | Purchases | Net | Appears in box ES2 and Total value of purchases, excluding VAT |
| VAT | Appears in boxes T2 and VAT due on intra-EU acquisitions |
| T38 | Purchases | Net | Appears in box ES2 and Total value of purchases, excluding VAT |
| VAT | Appears in boxes T2 and VAT due on intra-EU acquisitions |