INPS, with memorandum no. 99/10, clarified the operating instructions to be applied to the new discipline of the abroad detachment of employee, as introduced by the EU Regulations no. 883/04 and 987/09 became effective from 1 May 2010. According to EU Regulations, the maximum duration of a detachment is now doubled from 12 to 24 months, the E101 form is abolished and the E102 is now substituted with the A1 form – attached to INPS memorandum – which will have a 24 months duration.