§ 232. Investment and application of award. The amount which shall be awarded to any county as provided in section two hundred and thirty-one of this chapter, shall be paid to the county treasurer of such county; and such county treasurer shall invest or apply the same in the manner and for the purpose provided by section thirteen of this chapter, except that in case such county shall have heretofore paid to any such town, village or city, such state taxes or any portion thereof, or in case such county treasurer has heretofore set aside such state taxes or any portion thereof, for the benefit of such town, village or city, in the manner provided by said section thirteen of this chapter, then and in that case, such moneys or the portion thereof so paid or set aside as aforesaid, shall be used and applied by such county treasurer for the general purposes of the county.