Phi Sigma Rho National Sorority is governed by the National Convention and the National Council. The Convention serves as the legislative branch of the sorority and is comprised of each voting member of National Council and delegates from each chapter and the corresponding alumnae associations. The Convention is the final ruling party in judicial matters and meets biennially.
The National Council is composed of nine voting members and two non-voting advisors. It acts as the executive and judiciary body of the sorority. National Council meets biannually to review the affairs of the sorority, implement additional programming, adjust regulations and execute judiciary matters.