Greece uses the following country-specific rules and the VRBL Core Rules and Peppol Core Rules:

VRBL

Country-Specific VRBL Rules

Description	Topic
[VRBL-GR-1]-The Line Item Price expects a maximum of one Line Item Price Allowance Charge.
[VRBL-GR-1p0p0-1]-When the Supplier is Greek, then the Installation Serial Number must be provided.
[VRBL-GR-1p0p0-2]-When the Supplier is Greek, then the Invoice Subtype Code must be from the AADE Standard Document Type code list, prefixed by "VRBL:GR:". For example "VRBL:GR:1.1".
[VRBL-GR-1p0p0-3]-The Invoice Series must exist within Invoice Extension.
[VRBL-GR-1p0p0-4]-The Document Number must exist within Invoice.
[VRBL-GR-1p0p0-5]-When the Supplier is Greek, then the Supplier must provide their full name as they are registered in the Greek Business Registry (G.E.MH.) as a legal entity or in the Tax Registry as a natural person.
[VRBL-GR-1p0p0-6]-When the Supplier is Greek, then the Supplier Party Tax Scheme Company ID must start with 'EL' and must be a valid TIN number.
[VRBL-GR-1p0p0-7]-When the Supplier is Greek, then the Supplier must provide the Supplier VAT Company ID.
[VRBL-GR-1p0p0-8]-When the Supplier is Greek, then the Supplier must use a correct TIN number as an electronic address according to PEPPOL Electronic Address Identifier scheme (@schemeID 9933).
[VRBL-GR-1p0p0-9]-When the Supplier is Greek, then the Customer must use a correct TIN number as an electronic address according to PEPPOL Electronic Address Identifier scheme (@schemeID 9933).
[VRBL-GR-1p0p0-10]-When the Supplier is Greek, then the Customer must provide their full name.
[VRBL-GR-1p0p0-11]-The Customer must provide Party Tax Scheme Company ID, if the buyer is Greek.
[VRBL-GR-1p0p0-12]-When the Supplier is Greek, then the Invoice URL must not be provided more than once.
[VRBL-GR-1p0p0-13]-When the Supplier is Greek, then the Invoice URL must be provided.
[VRBL-GR-1p0p0-14]-When the Supplier is Greek, and Additional Document Reference is marked as Invoice URL, then the Invoice URI must be provided.
[VRBL-GR-1p0p0-15]-When the Supplier is Greek, then the MARK Number must be provided once.
[VRBL-GR-1p0p0-16]-When the Supplier is Greek, then the MARK Number must be a positive integer.
[VRBL-GR-1p0p0-17]-The Additional Document Reference Description must be selected from the Additional Document Reference Indicator code list, with the prefix 'VRBL:GR:'. For more information visit: -
[VRBL-GR-2]-The Line Item Price Allowance Charge Charge Indicator must always be 'false', as the difference must be stated as a reduction.
[VRBL-GR-3]-Each Allowance must have Allowance Allowance Charge Reason or Allowance Allowance Charge Reason Code
[VRBL-GR-4]-Each Line Item Allowance must include the Line Item Allowance Allowance Charge Reason or the Line Item Allowance Allowance Charge Reason Code

VRBL Core Rules

Greece uses the core VRBL Rules that are documented in the VRBL Core Rules topic.

PEPPOL Core Rules

Greece uses the core PEPPOL Rules that are documented in the PEPPOL Core Rules topic.

EN16931 Core Rules

Greece uses the core EN16931 Rules that are documented in the EN 16931: Rules topic.