"126B.

(1) In this section -

' relevant person ' means -

(a) a bank or building society within the meaning of section 123, 123A or 123B,

(b) an accountable person within the meaning of section 123C (inserted by the Finance Act 2008) or 124A (inserted by the Finance Act 2008),

(c) a bank or promoter within the meaning of section 124, or

(d) an insurer within the meaning of section 125;

' Appeal Commissioners ' has the meaning assigned to it by section 850 of the Taxes Consolidation Act 1997;

' specified section ' means section 123, 123A, 123B, 123C, 124, 124A or 125.

(2) Where, at any time, it appears to the Commissioners, that a relevant person -

(a) has failed to deliver a statement, or

(b) has not delivered a full and proper statement,

required to be delivered under a specified section, the Commissioners may make an assessment on the relevant person of the amount which, to the best of their judgment, is the amount of stamp duty which would have been charged on the statement if it had been delivered and if it were full and proper.

(3) The Commissioners may serve notice in writing of the assessment of stamp duty on any relevant person.

(4) Subject to subsection (5), where an assessment is made on a relevant person under subsection (2), the relevant person shall be liable -