E ' available online at the Agency 's the new revenue model Cud 2011 to be delivered by the employer or by' institution to the taxpayer (employee, retiree, recipient of income similar to those of employees) by 28 febbario for the 2011 tax return and that concerns the tax period following that covered by the income or certificate within twelve days of the request of the employee on termination of employment. A new feature of Cud 2011, in the section on tax information space is the measure contained in the latest corrective action that provides for the application of 10% add-on fees paid in form of stock options that exceed three times the fixed part of wages. Then sprout new areas dedicated to the taxation of night work that allows the taxpayer to recover taxes for the years before and also return in this new model the tax dedicated to fund security personnel, defense and public assistance.