american disabled handicapped workers rebecca taylor called several time asking for payment of trash bags sent in Dec. 2009 that we never ordered or received; she said she had proof from the post office it had been delivered but has never been able to s bell flower, California

received several called from Rebecca Taylor asking for late payment for trash bags we never ordered or received, sent on Dec 2009; initial payment was $67 then $124.32, then $322.47 for late fees, and she was threatened to send us to collection.
she said she had proof from the Post Office it has been delivered but has never been able to send us this proof, neither any invoice regarding the bill and explaining the amount.
She gave different names of her Cie and asked to send a check to the order of AM.M. Handicapped Workers to ADHW 16809 Bell Flower Blvd #63, Bell Flower CA 90706