Money taken out of my FNB account

Hi,

Hope all is well , I received this SMS from FNB to say that a debit order has gone off on my account , I want the mandate that said u can take money off my account

FNB :-) We have noticed that a new debit order(s) was paid from account ending...5395 on ********** 2: R250 Ref. Oldmutcol ********** ********** 701; If you are unaware of this debit order(s), contact Telephone Banking on ********** or your banker for further assistance. Alternatively, visit your nearest branch. Ts&Cs apply. FNB a div of FRB Ltd.