(a) The OCCC notice required by §86.101 of this title (relating to Consumer Notifications) must be disclosed.(b) In a contract using the true daily earnings method, a brief description of the method of earning finance charge must be given. In a contract using the scheduled installment earnings method or the sum of the periodic balances method of refunding precomputed finance charges, the name of the method used must be given, and at the creditor's option, a description of that method may be given. If in the same contract form, the creditor uses the scheduled installment earnings method in certain circumstances and the sum of the periodic balances method in other circumstances, the creditor must provide a brief description of the circumstances under which each method will be used, along with the name of the method.