$form->{$_} = $form->format_amount($myconfig, $form->{$_}, 2) for @separate_totals;
foreach my $invoice_for_advance_payment (@{$self->_get_invoices_for_advance_payment($form->{convert_from_ar_ids} || $form->{id})}) {
+ # Collect VAT of invoices for advance payment.
+ # Set sellprices to fxsellprices for items, because
+ # the PriceTaxCalculator sets fxsellprice from sellprice before calculating.
+ $_->sellprice($_->fxsellprice) for @{$invoice_for_advance_payment->items};
my %pat = $invoice_for_advance_payment->calculate_prices_and_taxes;
my $taxamount = sum0 values %{ $pat{taxes_by_tax_id} };