Tirohia me pēhea te whakarite a TEYU i te pono o āna pouaka whakamatao ahumahi mā te whakamātautau wiri pakari. I hangaia kia rite ki ngā paerewa ISTA me ASTM o te ao, ka tukuna e ngā pouaka whakamatao ahumahi TEYU he mahi pumau, kāore he āwangawanga mō ngā kaiwhakamahi o te ao.
I te CIOE 2025, i tautokona e ngā mīhini whakamatao taiaho TEYU (CW, CWUP, CWUL Series) ngā pūnaha taiaho a ngā hoa mahi i roto i te tukatuka karāhe me tua atu, me te whakarite kia tika te whakahaere pāmahana mō ngā ahumahi mai i te hikohiko ki te rererangi.