▁- ▁If ▁its ▁sugar ▁content ▁is ▁higher ▁than ▁the ▁maximum ▁set ▁at ▁above ▁but ▁not ▁more ▁than ▁ 4 5   gram s ▁per ▁lit re . ▁S lad ké ▁" S weet " ▁- ▁If ▁its ▁sugar ▁content ▁is ▁of ▁at ▁least ▁ 4 5   gram s ▁per ▁lit re . ▁ ▁Spark ling ▁w ines ▁ ▁Š um iv é ▁ví no ▁" S park ling ▁wine " ▁shall ▁be ▁the ▁product , ▁which ▁is ▁obtained ▁by ▁first ▁or ▁second ▁alco hol ic ▁fer ment ation ▁from ▁fresh ▁g rap es , ▁gra pe ▁must ▁and ▁from ▁wine . ▁Has ▁an ▁excess ▁pressure , ▁due ▁to ▁carbon ▁dio x ide ▁in ▁solution , ▁of ▁not ▁less ▁than ▁ 3 0 0 ▁k Pa ▁( 3 ▁bar ) ▁when ▁kept ▁at ▁a ▁temperature ▁of ▁ 2 0   ° C ▁in ▁closed ▁containers , ▁when ▁these ▁are ▁opened , ▁it ▁releases ▁carbon ▁dio x ide ▁derived ▁exclus ively ▁from ▁fer ment ation . ▁The ▁total ▁alco hol ic ▁strength ▁of ▁the ▁cu v ées ▁intended ▁for ▁their ▁prepar ation ▁shall ▁not ▁be ▁less ▁than ▁ 8 . 5 % ▁vol . ▁Ak ost né ▁š um iv é ▁ví no ▁" Qual ity ▁spark ling ▁wine " ▁As ▁spark ling ▁wine . ▁Ex cess ▁pressure ▁of ▁not ▁less ▁than ▁ 3 5 0 ▁k Pa ▁( 3 . 5 ▁bar ), ▁the ▁total ▁alco hol ic ▁strength ▁of ▁the ▁cu v ées ▁intended ▁for ▁their ▁prepar ation ▁shall ▁not ▁be ▁less