in the supplementary form you have to provide history for which ever is the longer period of time for you. 10 years or numbers of years after you turned 18. so for example if you are 22 you have to provide history for last 10 years. but if you are 32 you have to provide history since age 18.adzees said:Read the form guidelines Go on section 11 of IMM0008_1e.. You are only suppose to provide information related to Personal History since age 18.. and not for last 10 years...