▁bil ater al ▁san it ary ▁convention ▁was ▁concluded ▁between ▁the ▁govern ments ▁of ▁Lat via ▁and ▁Poland ▁on ▁ 7 ▁July ▁ 1 9 2 2 , ▁for ▁which ▁rat ifications ▁were ▁ex changed ▁on ▁ 7 ▁April ▁ 1 9 2 5 . ▁Another ▁was ▁concluded ▁between ▁the ▁govern ments ▁of ▁Germany ▁and ▁Poland ▁in ▁Dresden ▁on ▁ 1 8 ▁December ▁ 1 9 2 2 , ▁and ▁entered ▁into ▁effect ▁on ▁ 1 5 ▁February ▁ 1 9 2 3 . ▁Another ▁one ▁was ▁signed ▁between ▁the ▁govern ments ▁of ▁Poland ▁and ▁Roman ia ▁on ▁ 2 0 ▁December ▁ 1 9 2 2 . ▁Rat ifications ▁were ▁ex changed ▁on ▁ 1 1 ▁July ▁ 1 9 2 3 . ▁The ▁Polish ▁government ▁also ▁concluded ▁such ▁a ▁convention ▁with ▁the ▁Soviet ▁government ▁on ▁ 7 ▁February ▁ 1 9 2 3 , ▁for ▁which ▁rat ifications ▁were ▁ex changed ▁on ▁ 8 ▁January ▁ 1 9 2 4 . ▁A ▁san it ary ▁convention ▁was ▁also ▁concluded ▁between ▁the ▁govern ments ▁of ▁Poland ▁and ▁Czech oslov ak ia ▁on ▁ 5 ▁September ▁ 1 9 2 5 , ▁for ▁which ▁rat ifications ▁were ▁ex changed ▁on ▁ 2 2 ▁October ▁ 1 9 2 6 . ▁A ▁convention ▁was ▁signed ▁between ▁the ▁govern ments ▁of ▁Germany ▁and ▁Lat via ▁on ▁ 9 ▁July ▁ 1 9 2 6 , ▁for ▁which ▁rat ifications ▁were ▁ex changed ▁on ▁ 6 ▁July ▁ 1 9 2 7 . ▁ ▁One ▁of