Royal Mail Click & Drop have now decided to start incorrectly calculating USA customs duty.

USA customs duty is currently 10% on goods only and a 0.50p RM handling fee.

Today it is wrong.

£72 order has £9.72 customs duty + 0.50p handling fee when trying to pay for the label.

Did your system suddenly forget how to calculate 10%?

I charge my US customers 10% at checkout in order to pay this to Royal Mail when creating my labels via Click & Drop.

The correct value of a £72 order is £7.20 customs duty + 0.50p handling fee.

It's just one mistake after another with you and it is getting really embarrassing.

Where did this £9.72 amount come from?