Any person appearing in court either through a pro bono advocate or appearing pro se, (i.e., appearing in court representing oneself without an attorney for the reason that they cannot afford to appoint a lawyer), may make a motion in court to be determined that such a person is indigent for costs. The applicant furnishes certain financial details for the court's determination of his financial status. Once the court determines the applicants financial status, the person may or may not be declared indigent. Once declared indigent, the legally declared fee for the court services and process are waived for the litigant.
This form is a generic example that may be referred to when preparing such a form for your particular state. It is for illustrative purposes only. Local laws should be consulted to determine any specific requirements for such a form in a particular jurisdiction.