The expiration date of your visa is the last day you may use the visa to enter the United States. It does not indicate how long you may stay in the United States. Your stay is determined by the Department of Homeland Security at your port of entry.
In some circumstances, a person may be released from custody without bail and be given an order to appear, with certain conditions as governed and directed by a court-affiliated agency. Project Remand ('PR'), a Ramsey County pre-trial court service program, is one example of such an agency.
States often require licenses for professional bail agents to practice in the commercial bail industry. Thirty-seven states have licensing requirements for bail agents and four prohibit commercial bond all together. In all but a few states, a state agency is responsible for regulating bond agents and their licensing.