Gasworks Clauses Act, 1847

If profits are less than the prescribed rate, deficiency may be supplied from the reserved fund.

34. If in any year the profits of the undertaking divisible amongst the undertakers shall not amount to the prescribed rate, such a sum may be taken from the reserved fund as, with the actual divisible profits of such year, will enable the undertakers to make a dividend of the amount aforesaid, and so from time to time as often as the occasion shall require.