You should not include the Technical Assistance Budget code in their Annual Declaration XML file(s), the Technical Assistance amount will be automatically calculated by SFC2021.
However, after you have uploaded your Annual Declaration XML file(s), you will have to include the Technical Assistance Budget code in your Difference Explanation XML file(s) to explain the difference calculated by SFC for this Technical Assistance (with difference explanation code B02 ‘Rounding Error’).
In order not to have this error, you don’t have to include the TA in the Annual declaration XML file but you have to explain this difference for TA in your Difference explanation XML file, by adding this:
<difference>
<budgetCode>080301010009000000000000000</budgetCode>
<explanations>
<explanation>
<amount>-x.xx</amount>
<code>B02</code>
</explanation>
</explanations>
</difference>