Required TREC Standards of Practice/Legal/Ethics Updates Class coming to the Austin area. This will be held at the Cabela's Store in Buda. This is the class that is required to renew your TREC Inspectors License at each renewal. You must have 6-hours of Inspectors continued education (ICE) on these subjects for every license renewal period and they must be completed prior to renewing your license. You wuill receive a full 8-hours for this class.