Docket No. 4333 - National Grid Gas - Tariff Advice to revise the On-System Margin Credits Tariff Provisions of the Distribution Adjustment Clause (DAC) Status of Docket: Closed. National Grid's Tariff Advice Filing (5/31/12 & 6/5/12) Division of Public Utilities - Memo in response to National Grid's Tariff Advice filing (6/26/12) Commission Order No. 20784 approving National Grid's Tariff Advice to Revise the On-System Margin Credits Tariff Provisions of the Distribution Adjustment Clause (DAC). Written Order issued 8/8/12.