ABC Accounts Pty Ltd has in the past used batching for its accounts payables (creditors). The batching of accounts payables is the process of aggregating invoices to be paid into groups, or batches, and making one entry in the accounting records for the entire batch of invoices, as opposed to individual journal entries for each payee. Batching reduces journal entries, and it helps the accounting information system operate more efficiently. However, batching procedures have drawbacks as well.

What are 2 drawbacks you believe are applicable for companies that adopt batching for their accounts payables?