sfas no . 153 2013 marathon adopted sfas no . 153 , 2018 2018exchanges of nonmonetary assets 2013 an amendment of apb opinion no . 29 , 2019 2019 on a prospective basis as of july 1 , 2005 . this amendment eliminates the apb opinion no . 29 exception for fair value recognition of nonmonetary exchanges of similar productive assets and replaces it with an exception for exchanges of nonmonetary assets that do not have commercial substance . fsp no