Have a Question?

What category does your question best fit in?

NPIRS Home ALSTAR PRRCS

NPIRS Update:

CERIS staff have been in contact with the EPA regarding data updates (last federal data received: May 19, 2026). The EPA has identified technical issues, and their team is actively working on a resolution. Thank you for your patience. 

We use cookies to ensure the basic functionalities of the website and to enhance your online experience. Ways in which we use these cookies and other tracking technologies include session tracking, provide and remember user login, record sessions for playback, and to optimize site functionality. By continuing, you give consent to our use of these technologies and our terms including important waivers.

Financial Obligations and Payment Information

To help ensure your payment is processed accurately and without delay, please have the following information available before beginning:

Make a Payment

Payments must be submitted through Purdue University’s Accounts Receivable payment portal. The portal provides detailed instructions and displays all accepted payment methods.

View Purdue Accounts Receivable payment options and instructions

Account and Organizational Updates

If you need assistance with organizational account information—such as updating invoice contacts or making changes that cannot be completed through the payment portal—please use the link below to contact our team.

Access account contacts and organizational update support

NPIRS / ALSTAR Support

Support for NPIRS / ALSTAR is available via voicemail. Messages are reviewed and responded to on a regular basis.

Support Hotline: (765) 494-5249

Additional Billing Assistance

For detailed billing questions or further support, please contact Purdue Accounts Receivable directly: