Possible enumeration values:
| Value | Description | 
|---|---|
| RoundInvoiceLines | Value saying that VAT amount of invoice header should be calculated as SUM of rounded invoice line VAT amounts | 
| RoundInvoice | Value saying that VAT amount of invoice header should be calculated as rounded SUM of invoice line VAT amounts | 
| RoundRevenueAccountVatCode | Value saying that VAT amount of invoice header should be calculated as rounded SUM of grouped invoice line VAT amounts | 
| RoundExactOnline | Value saying that VAT amount of invoice header should be calculated as rounded SUM of grouped invoice line VAT amounts |