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EU Invoicing Addon

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EU VAT Invoicing Addon


Following the V4.4 release which introduced the addon modules system, here is the first in a series of new addon modules for WHMCS - an EU VAT Billing/Invoicing Mod.


This combines the VAT Validation hook function that has always been included in WHMCS, and the "Set Invoice Date to Date of Payment Mod" (http://forum.whmcs.com/showthread.php?t=27523) in addition to some new options.


Functionality includes:


  • the ability to automatically setup EU member state tax rules
  • automatic validation of VAT Number field input with the VIES Validation Service (http://ec.europa.eu/taxation_customs/vies/) - supersedes previous hook for easier configuration
  • the ability to assign custom invoice number formats when invoices are generated
  • the ability to configure proforma/sequential paid invoice numbering (as exists already in General Settings > Invoicing)
  • the ability to configure automatic resetting of the sequential paid invoice numbers
  • the ability to have invoice dates automatically updated when invoices are paid




To install simply download the mod from the community addons directory @ http://www.whmcs.com/members/communityaddons.php?action=viewmod&id=219 and then upload the files to the addons directory. Further instructions are included in the addon listing.


Download Link: http://www.whmcs.com/members/communityaddons.php?action=viewmod&id=219

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