This document provides an overview and instructions for submitting a Letter of Intent (LOI) for the August 2013 cycle of funding announcements from the Patient-Centered Outcomes Research Institute (PCORI). It introduces PCORI's mission and funding areas, describes the Improving Methods for Conducting Patient-Centered Outcomes Research funding announcement, outlines the LOI submission process and requirements, and provides resources and dates for applicants. Representatives from PCORI are present to answer any questions about the LOI or application process.