Facturae validation rules of the Spanish public sector

27 rules, version Orden HAP/1650/2015, Facturae 3.2.x description of 6 June 2017, published by xmlvalid, after the validation rules of Orden HAP/1650/2015 (anexo II) and the formulas of the Facturae format (MIT, source). Checked with Facturae 3.2.2 .