The registry keys are found under the heading Fiscalisation Spain [14939]. The most important registry keys are:
•[811130] to define the name of the certificate file
•[811129] to define the path of the certificate file
•[811131] to define the password of the certificate file
•[40291] to define the web service URL for invoices
•[40946] to define invoice number sets in which invoices should not be checked for correct document numbers.