– In Denmark, a standard for XML electronic invoices that are used by the public sector. OIO is Danish for Offentlig Information Online (Public Information Online.)
1
– In Denmark, a standard for XML electronic invoices that are used by the public sector. OIO is Danish for Offentlig Information Online (Public Information Online.)
1
In Denmark, a standard for XML electronic invoices that are used by the public sector. OIO is Danish for Offentlig Information Online (Public Information Online.)1