Whenever a credit card purchase is made, all documentation associated with the purchase (e.g. No bid received after the due date and time will be considered.Bidders must acknowledge receipt of all addenda in the space provided below:. Frequently Asked Questions. The Los Angeles Citywide Business Improvement District Program Frequently Asked Questions (and Answers). Staff is available to explain the City's purchasing policies and procedures, as well as to assist in adding your company to the City's bid notification system. Fill out the proper information (must have an approved cred- it card) and click on "Register. E) Notify the Credit Card Unit if a Cardholder will be out on extended leave. E) Notify the Credit Card Unit if a Cardholder will be out on extended leave. Please allow up to 48 business hours to acknowledge receipt of your deposit.