Time limits for penalties
6(1)In the case of a penalty under section 31 relating to a tax credit for a person or persons for the whole or part of a tax year (other than a penalty to which sub-paragraph (3) applies), the Board may determine the penalty at any time before the latest of—
(a)the end of the period of one year beginning with the expiry of the period for initiating an enquiry under section 19 into the entitlement of the person, or the joint entitlement of the persons, for the tax year,
(b)if such an enquiry is made, the end of the period of one year beginning with the day on which the enquiry is completed, and
(c)if a decision relating to the entitlement of the person, or the joint entitlement of the persons, for the tax year is made under section 20(1) or (4), the end of the period of one year beginning with the day on which the decision is made.
(2)In the case of a penalty under section 32 relating to a tax credit for a person or persons for the whole or part of a tax year (other than a penalty to which sub-paragraph (3) applies), the Board may determine the penalty, or commence proceedings for it, at any time before—
(a)if an enquiry into the entitlement of the person, or the joint entitlement of the persons, for the tax year is made under section 19, the end of the period of one year beginning with the day on which the enquiry is completed, and
(b)otherwise, the end of the period of one year beginning with the expiry of the period for initiating such an enquiry.
(3)In the case of—
(a)a penalty under section 31 or 32 relating to a requirement imposed by virtue of regulations under section 25, or
(b)a penalty under section 33,
the Board may determine the penalty, or commence proceedings for it, at any time before the end of the period of six years after the date on which the penalty was incurred or began to be incurred.