Establishes the eight-member NC Semiquincentennial Legislative Commission (Commission) to plan for the observance of the semiquincentennial of the American Revolution in NC. Encourages collaboration with the executive branch, and requires the Commission to propose events on multiple dates and locations as historically appropriate, with cost estimates and necessary legislative proposals, and recommend historical preservation organizations to assist in implementation. Provides for Commission membership, meetings, member expenses, and staff. Grants the Committee powers regarding information, data, or document requests of State officers, agencies and entities of legislative committees set forth in GS 120-19. Requires the Commission to submit an interim report by December 1, 2021, and a final report by April 15, 2022, to the specified NCGA committee chairs. Terminates the Commission on the earlier of April 15, 2022, or the submission of the report.