In regulation 43B(2) of the principal Regulations (Class 2 contributions paid late in accordance with a payment undertaking) –
(a) in sub-paragraph (b), for the words “the weekly rate applicable at the time when the undertaking was entered into” there shall be substituted the words “the highest weekly rate of such a contribution in the period beginning with the contribution week in respect of which the contribution is paid and ending with the day on which the undertaking was entered into”; and
(b) in sub-paragraph (c), for the words “the weekly rate of such a contribution” to the end of that sub-paragraph there shall be substituted the words
the highest weekly rate of such a contribution–
(i) where the contribution is paid in accordance with a further undertaking, in the period beginning with the contribution week in respect of which the contribution is paid and ending with the day on which the further undertaking was entered into, or
(ii) where the contribution is paid otherwise than in accordance with a further undertaking, in the period beginning with the contribution week in respect of which the contribution is paid and ending with the day on which it is paid.