On a fortnightly average basis, call market borrowings outstanding should not exceed 100 per cent of capital funds (i.e., sum of Tier I and Tier II capital) in the latest audited balance sheet.
Recognising the potential of “purchased inter-bank liabilities” (IBL) to create systemic problems, the Reserve Bank had issued guidelines in March 2007 prescribing that IBL of a bank should not exceed 200 per cent of its net worth (300 per cent for banks with a CRAR more than 11.25 per cent). BIS Review 122/2008  11  2.