i been working for some one for a year plastering,hes been pay my wages into my bank iv always payed my tax vever tried to fiddle it my wage went up 200 pond a coulpe of months ago just realised i never changed my tax payments i shiting it cos times are hard and could nt afford another bill i been geting working tax credits cos got kids as well,i no its not a plastering question and prob suddint be asking this but i know most of you self empoyed and i dont know any one to ask about it, should i tell them and see if i can pay it back over time just say my wage gone up from next month i never been self employed befor didnt know it was such a pain