Section 6(v) in The Central Electricity Regulatory Commission (Open Access in Inter-State Transmission) Regulations, 2004
(v)The applications for grant of short-term access received in a month for open access commencing in the month in which the application is made or received after the nineteenth day of a month for open access commencing and terminating in the following month shall be treated on first-come-first-served basis, and short-term access shall be granted subject to availability of the transmission capacity.
