Spell out all acronyms on first reference and follow with acronym in parentheses.
The New Hampshire Institute of Politics (NHIOP) will host the event. Directions to the NHIOP can be found through their Web site.
Centers, institutes, departments, etc., used in full with title capitalization, but all subsequent reference should use lowercase (e.g., "center," "institute," or "department").
The Psychology Department is located in Goulet Science Center. The department runs a state-of-the-art sleep lab.