CIS deduction errors?

Dcollins Registered Posts: 179 🎆 🐘 🎆
Doing bookkeeping for a small subcontractor, and am getting frustrated with remittance advice notes from contractor. Some are OK, but others I don't understand.

This is an example from 2010:

Work done on site xxx £1409.80
Less contracharge invoice £164.50 (which included VAT at 17.5%)

I don't have a problem with the above, but the calculation quoted is:

Gross value £1,245.30
Less materials £0.00
Liable to deduction £1253.53
Tax deducted £250.71
Net payment £1002.82

There is no other financial information on the document. Am I missing something? The contractor is a large company, so should (we hope) be getting it right.
Where does £1,253.53 come from?

Any help welcome, thanks.


  • T.C.
    T.C. Registered, Tutor Posts: 1,448
    It has got to be an error surely!?!
  • Dcollins
    Dcollins Registered Posts: 179 🎆 🐘 🎆
    Got to be. Thanks. About a quarter of them are like this
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