Many rules require banks to bulk up on treasuries. Two other bankers said the executives expressed concerns over longer-term "systemic risks" due to the level of their bond holdings. Parliament, dominated by the AKP and nationalist allies, is debating next year's budget including record spending of 258.4 billion lira on social aid. VULNERABLE TO REVERSALThe series of rules increased the central bank's authority over the government debt, credit and loan markets, bankers say. Akbank's (AKBNK.IS) Q3 net profit was 17.07 billion lira versus 3.21 billion lira year ago.

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