LEGAL PRINCIPLE: CONTRACT LAW – Interest Rate Variation – Bank’s Power to Stipulate
PRINCIPLE STATEMENT
Where a bank lends money on agreement that the rate of interest shall accrue 'at the rate from time to time stipulated by the bank' in response to Central Bank guidelines, that clearly shows the bank is at liberty to fix its interest rate as it deems fit in accordance with varying prevailing rates fixed from time to time by the Central Bank; where the bank changes its interest rate in accordance with Central Bank guidelines, a customer cannot lawfully complain that the bank has arbitrarily or unilaterally varied the original interest rate without prior knowledge or consent as the variation is well within the express terms of the loan.
RATIO DECIDENDI (SOURCE)
"Where, as in the instant appeal, a Bank lends money to its customer on an agreement that the rate of interest thereon shall accrue 'at the rate from time to time stipulated by the bank' in response to the Central Bank guidelines, that clearly shows in no mistakable terms that the bank is at liberty to fix its interest rate as it would deem fit in accordance with the varying prevailing rates fixed from time to time by the said Central Bank. Consequently where the bank in accordance with the guidelines of the Central Bank changes its interest rate in respect of a loan, a customer cannot lawfully complain that the bank has arbitrarily or unilaterally varied the original interest rate at will without his prior knowledge or consent as the variation is well within the express terms of the loan."
EXPLANATION / SCOPE
Variable interest rate clauses (“at the rate from time to time stipulated by the bank”) give banks contractual power to adjust rates. When contracts include such clauses referencing Central Bank guidelines: customers agree to variable rates, banks can adjust according to regulatory changes, and adjustments aren’t “arbitrary” or “unilateral” breaches—they’re contractual exercise. Customers cannot complain about: rate increases following Central Bank policy changes, lack of prior consent for each adjustment (consent was given in original agreement), or unilateral variation (the contract authorized variation). This serves: reflecting economic realities (interest rates fluctuate), aligning with regulatory policy, and allowing long-term lending with rate flexibility. However, the variation power has limits: must follow Central Bank guidelines (not purely discretionary), must be exercised in good faith, and must accord with contract terms. Without such clauses, rate variation would require customer consent or constitute breach. The principle validates variable rate lending while binding variation to regulatory framework. Customers accepting such loans bear interest rate risk inherent in variable rates.