Paragraph 4
(1)
This paragraph applies to any obligation—
(a)
to pay an instalment of a sum of money payable by instalments, or
(b)
to execute any instalment of work due to be executed by instalments,
not being an obligation to which any of the foregoing paragraphs applies.
(2)
The appropriate date in relation to an obligation to which this paragraph applies is the date on which the last of the instalments is due to be paid or, as the case may be, to be executed.