Paragraph 21 Commuted sumI1

Immediately prior to the issue of the final certificate in respect of any phase the undertaker must pay to the highway authority any commuted sum payable in respect of that phase calculated as provided for in sub-paragraph (2).

The rates to be applied in calculating the commuted sums payable must be based on those contained with the 6C’s Design Guide (or any replacement of it) or in the absence of relevant rates within that Guide must be agreed between the undertaker and the highway authority at the date of calculation.