3. In section 17 of the principal Act (determination of days for which benefit is payable), after the subsection (2B) inserted by Article 12(4) insert the following subsections—
“(2C) If regulations under paragraph (a) of subsection (2) above provide that for the purposes of unemployment benefit days falling in a post-employment period are not to be treated in relation to a person as days of unemployment, then, for the purpose of determining that period, the regulations may, in particular, make provision—
(a)for calculating or estimating the amount or value of any payment made, or goods or services provided, to or for that person by his employer;
(b)for calculating or estimating that person’s level of earnings in the employment in question during any period or for treating him as having such a level of earnings as may be prescribed; and
(c)for calculating or estimating the amount or value of any other sum which falls to be taken into account under the regulations.
(2D) In subsection (2C) above “post-employment period” means a period following the termination of a person’s employment and falling to be determined in accordance with the regulations by reference to the amount or value of payments made, or goods or services provided, to or for the person by his employer at the time of, or within a prescribed period before or after, the termination of the employment.”.