Section 7(9)(a) in Central Electricity Regulatory Commission (Deviation Settlement Mechanism and Related Matters) Regulations, 2014
(a)For the period up to 31.03.2020: If the sustained deviation from schedule continues in one direction (positive or negative) for 12 time blocks, the regional entity (buyer or seller), shall correct its position by making the sign of its deviation from schedule changed or by remaining in the range of +/- 20 MW with reference to its schedule, at least once, latest by 13th time block, such range being a subset of volume limit as specified under Regulations 7(1) & 7(2) of these Regulations.