6. In computing the charge to tax in respect of a payment chargeable to income tax under section 123, a sum equal to the amount (if any) by which the standard capital superannuation benefit for the office or employment in respect of which the payment is made exceeds the basic exemption shall be deducted from the payment.
7. Where income tax is chargeable under section 123 in respect of 2 or more payments to which paragraph 6 applies, being payments made to or in respect of the same person in respect of the same office or employment or in respect of different offices or employments held under the same employer or under associated employers, then -
(a) paragraph 6 shall apply as if those payments were a single payment of an amount equal to their aggregate amount and, where they are made in respect of different offices or employments, as if the standard capital superannuation benefit were an amount equal to the sum of the standard capital superannuation benefits for those off
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