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SUBP-030Mandatory

Application for Discovery Subpoena in Action Pending Outside California

California · Judicial Council of California · Effective January 1, 2010

This form is used to ask the court to issue an order, called a subpoena, for a person in California to appear for a deposition or to provide evidence for a legal case that is happening in a different state.

The court describes it as: Asks the court to issue an order to a California witness to appear at a deposition or produce evidence for a case filed outside of California.

Open the official PDFfrom Judicial Council of California

Where this fits in a case

Discovery

Stage: Discovery

This form is used when a case is active in another state, and a party needs the court to legally require a witness in California to help with the case.

Either party may file.

Official instructions

How-to guides published by the court for this form.

Common questions

What does this form ask the court to do?
It asks the court to issue a subpoena so a witness in California can appear or provide evidence for a case happening outside of California.
Does this form require a fee?
The form notes that this application must be accompanied by the fee specified in Government Code section 70626.

Revision history

No changes recorded since we started tracking this form on October 9, 2026. The current version took effect January 1, 2010.

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