Help please - I'm sure its just me being stupid and not understanding. I have opted out of receiving child benefit as we are no longer entitled - but today have received a payment (about £15 less the normal amount). Does anyone know if this is the final payment (assumed would get nothing after the 7th - i have had letter from HMRC confirming our opt out. Just need to know if I can spend it, or need to put it aside to pay back!!!!