Deuteronomy 13:14

13:14 You must investigate thoroughly and inquire carefully. If it is indeed true that such a disgraceful thing is being done among you,

Deuteronomy 18:14

18:14 Those nations that you are about to dispossess listen to omen readers and diviners, but the Lord your God has not given you permission to do such things.

Deuteronomy 23:23

23:23 Whatever you vow, you must be careful to do what you have promised, such as what you have vowed to the Lord your God as a freewill offering.