8 0 s . ▁ ▁Similarly , ▁in ▁association ▁football ▁the ▁Deutsche ▁Fußball ▁Liga , ▁which ▁oper ates ▁the ▁Bundes liga ▁and ▁ 2 . ▁Bundes liga , ▁prohib its ▁corpor ate ▁ownership ▁of ▁more ▁than ▁ 4 9 % ▁of ▁teams ▁and ▁re brand ing ▁as ▁well ▁( see ▁ 5 0 + 1 ▁rule ). ▁The ▁Royal ▁Dutch ▁Football ▁Association ▁has ▁a ▁similar ▁rule ▁with ▁regard ▁to ▁the ▁E red iv isie . ▁However , ▁Bayer ▁Le verk us en ▁and ▁P SV ▁E ind h oven ▁can ▁maintain ▁their ▁property ▁and ▁names ▁as ▁they ▁were ▁founded ▁in ▁the ▁first ▁dec ades ▁of ▁the ▁tw enti eth ▁century ▁by ▁Bayer ▁and ▁Phili ps ▁as ▁their ▁sport ▁teams . ▁Another ▁Bundes liga ▁side , ▁V f L ▁Wolf s burg , ▁is ▁allowed ▁to ▁remain ▁under ▁the ▁ownership ▁of ▁Volks wagen ▁as ▁it ▁was ▁founded ▁in ▁ 1 9 4 5 ▁as ▁a ▁club ▁for ▁V W ▁workers . ▁ ▁Three ▁former ▁ven ues ▁in ▁the ▁National ▁Hockey ▁League — Ch icago ▁Stadium , ▁Boston ▁Garden ▁and ▁Buff alo ▁Memorial ▁Aud itor ium — had ▁shorter - than - reg ulation ▁ice ▁surface , ▁as ▁their ▁construction ▁pred ated ▁the ▁reg ulation . ▁The ▁distance ▁was ▁taken ▁out ▁of ▁the ▁neutral ▁zone . ▁All ▁three ▁aren as ▁were ▁replaced ▁by ▁newer ▁facilities ▁by ▁ 1 9 9 6 . ▁The ▁reg ulation ▁does ▁not ▁apply ▁in ▁many ▁minor ▁league ▁ven ues , ▁and ▁in ▁older ▁minor ▁league ▁ven ues ▁shorter ▁than ▁reg