# The Income Tax (Construction Industry Scheme) Regulations 2005, Regulation 10: Return and certificate if amount may be unpaid

Extent: E+W+S+N.I.

(1) This regulation applies if, 17 days or more after the end of a tax period, condition A, B or C is met.
(2) Condition A is that—
(a) a contractor has not paid any amount under regulation 7 for that tax period, and
(b) an officer of Revenue and Customs is unaware of the amount (if any) which the contractor is liable to pay for that tax period.
(3) Condition B is that—
(a) a contractor has paid an amount under regulation 7 for that tax period, but
(b) an officer of Revenue and Customs is not satisfied, that it is the full amount which the contractor is liable to pay for that period.
(3A) Condition C is that—
(a) the contractor has made a return under regulation 4 showing the amount which the contractor is liable to pay under regulation 7 for that tax period, but
(b) the contractor has not paid the full amount shown in the return.
(4) If condition A or B is met an officer of Revenue and Customs may give notice to the contractor requiring the contractor within 14 days of the issue of the notice to deliver a return showing the amount which the contractor is liable to pay under regulation 7 in respect of the tax period.
(5) If—
(a) the notice extends to, or
(b) condition C is met in,
two or more consecutive tax periods in a tax year, this regulation has effect as if they were one tax period.
(6) On receiving a return made by the contractor under paragraph (4) or if condition C is met, an officer of Revenue and Customs may prepare a certificate showing the amount which the contractor is liable to pay for the tax period and how much (if any) of that amount remains unpaid.
(7) Regulation 57 (certificate that sum due) deals with the use of certificates as evidence that sums are due and unpaid.

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Source: https://www.legislation.gov.uk/uksi/2005/2045/regulation/10 (the official version)
Page: https://openlegislation.uk/income-tax-construction-industry-scheme-regulations-2005/regulation-10
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.