Few things are more critical in real estate than the speed of getting a project to market. Timing can make the difference between success and failure. For historic tax credit (HTC) projects, the time when the application is under review is vexing. Program standards call for two sequential 30-day review periods: one at the State Historic Preservation Office (SHPO) and one at the National Park Service (NPS). During this time, there is nothing for the developer to do but wait.