IAE heading (Economic Activities Tax)
It is a section that determines the economic activity you carry out. This activity is included within the IAE Royal Decree, which is made up of sections and groups that include business, professional or artistic activities and are represented by a code.
VAT (Value Added Tax) is an indirect tax on consumption. This is a percentage increase in the price of each item or service. For each purchase, the price of the good is paid plus the percentage of taxes applied to its cost.
It is the one that the self-employed person or businessman charges for the services provided or the products sold to his clients, whether they are companies or final consumers. That is, it is the VAT that is added to the taxable base on the invoices.
In Holded, key is understood as the alphanumeric code used to identify the tax.