Power of Attorney limits: brokers may receive narrowly defined authority for settlement and client directed transfers, revocable by client. Power of Attorney granted to a stock broker or combined stock broker and depository participant must be narrowly limited to specified securities transfers and pledges to meet margin and delivery obligations arising only from trades executed through the same broker, client directed subscription actions with audit trails, and transfers from client bank accounts strictly for settlement, margin, recovery of outstanding amounts from the same broker, subscription payments, and fees/charges; the PoA must identify specific client demat and bank accounts, be revocable at any time, executed in the registered entity's name, prohibit assignment, require joint holder execution, include return clauses for erroneously received assets, and forbid off market transfers and trading without client consent.