Yes, "Credit for Sale" (CFS) can be disallowed. To understand why, let's first define what CFS is and the circumstances under which it can be disallowed:

When a trader places an order, they need to maintain a certain amount of funds in their account, known as the "upfront margin." This requirement is outlined in SEBI circular SEBI/HO/MRD2/DCAP/CIR/P/2020/127 dated July 20, 2020.

The highest value of the upfront margin that is utilised during a trading session is called the "peak margin."