▁ 1 6 0 - lap ▁race ▁going ▁ 1 4 ▁additional ▁la ps . ▁After ▁that ▁race , ▁the ▁rule ▁was ▁changed ▁to ▁standard ise ▁the ▁rule ▁with ▁NAS C AR ' s ▁other ▁national ▁series , ▁which ▁also ▁adopted ▁the ▁rule . ▁▁ 2 0 0 4 - 2 0 1 5 ▁Green ▁white ▁check er ▁rule ▁ ▁Through out ▁most ▁of ▁its ▁history , ▁NAS C AR ▁held ▁to ▁a ▁very ▁strict ▁rule ▁of ▁their ▁races ▁going ▁only ▁to ▁the ▁advert ised ▁distance , ▁as ▁indicated ▁on ▁the ▁entry ▁form , ▁in ▁national ▁racing . ▁The ▁only ▁exception ▁was ▁at ▁The ▁W inst on , ▁an ▁exhibition , ▁non - points , ▁" all ▁star " ▁event . ▁In ▁that ▁event , ▁ca ution ▁la ps ▁would ▁not ▁count ▁during ▁the ▁final ▁segment ( s ) ▁of ▁the ▁race , ▁in ▁order ▁to ▁ensure ▁the ▁race ▁would ▁have ▁maximum ▁green ▁flag ▁racing . ▁ ▁From ▁ 2 0 0 1 ▁to ▁ 2 0 0 2 , ▁the ▁other ▁non - points , ▁exhibition ▁event ▁during ▁the ▁season , ▁the ▁Bud ▁Sho ot out ▁adopted ▁the ▁green - white - check ered ▁rule , ▁if ▁necessary . ▁It ▁was ▁not ▁used ▁during ▁that ▁period . ▁ ▁In ▁the ▁late ▁ 1 9 9 0 s , ▁NAS C AR ' s ▁other ▁two ▁national ▁series , ▁the ▁W inst on ▁Cup ▁Series ▁and ▁NAS C AR ▁Bus ch ▁Grand ▁National ▁Series , ▁had ▁set ▁a ▁loose ▁preced ent ▁that ▁allowed