To register for the CLAS12 Workshop and CLAS Collaboration meeting, please enter the information requested below and click on the "Send Data" button at the bottom of the page. The registration fee is 150 Euros, which includes all coffee breaks, lunches as well as the workshop dinner. Payment will have to be made either through bank transfer (details to be provided soon) or or with cash at the start of the workshop in Paris. Financial support for students participating to Workshop and Meeting is available: for information send an email to M. Battaglieri , or J. Ball, at , or M. Guidal, at