If the time limit for performance is not clear, the creditor may perform, and the debtor may request performance, at any time, provided that the other party shall be given the time required for preparation. 履行期限不明确的，债务人可以随时履行，债权人也可以随时请求履行，但是应当给对方必要的准备时间。 When the place of performance is not clear, if the obligation is payment of money, performance shall be at the place where the payee is located; if the obligation iS delivery of an immovable,performance shall be at the place where the immovable is located; for any other subject matter, performance shall be effected at the place where the party performing the obligations is located. 履行地点不明确，给付货币的，在接受货币一方所在地履行；交付不动产的，在不动产所在地履行；其他标的，在履行义务一方所在地履行。