The Principal Laws Governing Electronic Invoices (e_Invoices or eBills) _ In Spain, Directive number 115 generally applies, although these regulations have also been reinforced in national policy, particularly in the following laws: Royal Decree number 1496 Billing Regulations.
What is an Electronic Invoices or e_Invoices _ An electronic invoice (also called an e_invoice or eBill) is the result of a billing method that doesn't require a paper copy as a backup in order to demonstrate its authenticity. For this reason, an electronic invoice functions as a software_generated file, which compiles the information related to a commercial transaction, its payment and corresponding tax obligations.
Numbers and Numbers and Records and Books _ must be trackable Referring to "invoice #9048," rather than "That invoice I sent you last month, I think on a Tuesday," is much easier to track for both you and your client. Assign numbers to your invoices systematically, consistently and chronologically. Some people number their invoices by year (for example, 2009043 would be the 43rd invoice of 2009). You could also specify a code for the project. For example, ABC06 would be the 6th invoice for the ABC project that you're currently working on. Having an invoice and project numbering system keeps everything in line.