Standard Invoicing Instructions

INVOICES

Submit the invoice and any supporting documentation by either e-mail, fax, or postal mail.

For Lyondell Chemical Company, Equistar Chemicals or PD Glycol:
E-mail: disbursements.invoices@lyondell.com
FAX: 713-495-4947
Mail:
(Company Name)
Attn: Disbursements
P.O. Box 3448
Houston, Texas 77253-3448

For Millennium: 
E-mail: mscdisbrusements@lyondell.com
FAX: 904-924-2864
Mail:
Millennium Specialty Chemicals Inc.
P.O. Box 389
Jacksonville, FL 32201-0389 .

For Houston Refining:
E-mail: disbursements.invoices@lyondell.com
FAX: 713-495-4947
Mail:
Houston Refining, LP
P.O. Box 52
Houston, Texas 77001-0052

Include the following information on each invoice:

  • Vendor name
  • Invoice number
  • Invoice date
  • Invoice total amount
  • Units of measure consistent with units of measure on purchase order
  • Purchase order number
  • Purchase order line number
  • Invoice amount by purchase order line number

For IT-related invoices:
E-mail: disbursements.inquiry@lyondell.com
FAX: 713-495-4947
Mail:
(Appropriate Company Name)
IT Disbursements
P.O. Box 4725
Houston, TX 77210

Include the following information on each invoice:

  • Purchase order number
  • Line item number
  • Material number (if applicable)
  • Description
  • Quantity and unit of measure
  • Unit price and extended unit price

CREDITS

Lyondell utilizes credits for three reasons:

  1. incorrect (unpaid) invoices;
  2. overpayment; and
  3. results of an Owner audit finding.

Credits are submitted on a credit memo and shall not be included on an invoice. Credit memos are submitted to the same e-mail, fax, or address as that of an invoice.

Incorrect (unpaid) invoices

  1. Submit credit memo for full amount of original (incorrect) invoice.
  2. Submit new invoice for correct amount.
  3. Submit Credit Memo with the following information:
    • Vendor Name
    • Credit Memo number
    • Credit Memo date
    • Purchase order number
    • Purchase order line number
    • Original invoice number
    • Explanation for credit

Overpayments

  1. Submit credit memo for amount of overpayment.
  2. Credit memo information requirements:
    • Vendor Name
    • Credit Memo number
    • Credit Memo date
    • Owner company (Lyondell, Equistar, Millennium Petrochemical, PD Glycol)
    • Owner account(s): work order, cost center, project WBS element
    • Original invoice number
    • Purchase order number
    • Credit amount for each account
    • Dates of services being credited
    • Explanation for credit

Results of an owner audit finding

  1. Submit credit memo for amount of overpayment.
  2. Credit memo information requirements:
    • Vendor Name
    • Credit Memo number
    • Credit Memo date
    • Owner company (Lyondell, Equistar, Millennium Petrochemical, PD Glycol)
    • Owner account(s): work order, cost center, project WBS element
    • Original invoice number
    • Purchase order number
    • Credit amount for each account
    • Dates of services being credited
    • Explanation for credit

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