Literature for a revalidation

[Angel_1_five]

Hello i think it is approved training organisation. i have a question , my ppl has lapsed by 20 years and in lasors i would have to do what ever flying is required to pass a skill test and Pass an oral theoretical knowledge exam.
Going by easa this looks like it might change

http://easa.europa.eu/agency-measure...20Part-FCL.pdf

page 247

expiry longer than 3 years: the applicant should again undergo the training required for the initial issue of the rating or, in case of helicopter, the training required for the ‘additional type issue’, according to other valid ratings held.

Does that mean you have to do the whole course again ?
Thank you
Tony