Several states have given their secretary of state at least one responsibility that is shared by no other state's secretary:

• In California, consenting adults can enter into a domestic partnership by registering with the Secretary of State.[14]
• In Connecticut, becoming a moderator for political debates requires a license from the Secretary of State.[15]
• In Colorado, performing arts societies are required to file certain information with the Secretary of State.[16]
• In Delaware, the Secretary of State oversees the Delaware Office of Veterans Services.[17]
• In Illinois, the Secretary of state is ex officio Clerk of the Court of Claims.[18] In addition, the Secretary of State is responsible for the enforcement of state motor vehicle theft statutes and the regulation of the automotive industry.[19]
• In Indiana, the Secretary of State is responsible for the regulation of auto dealerships.[20]
• In Iowa, the Secretary of State awards the Carrie Chapman Catt Award to every school in Iowa that signs up and registers at least 90 percent of their eligible students to vote. The award is named after the Iowan who was a national leader in the women’s suffrage movement.[21]
• In Kentucky, the Secretary of State oversees the State Land Office, which maintains a permanent record of the state’s land grants, warrants, and surveys.[22]
• In Louisiana, notices of retirement by state officials and employees are filed with the Secretary of State.[23]
• In Maryland, developers of residential condominiums and timeshares must register with the Secretary of State.[24]
• In Massachusetts, the Secretary of the Commonwealth functions as register of deeds for the entire state, maintaining branch offices in each county.[25]
• In Michigan, autor insurers writing policies for Michigan residents are required to file policyholder information with the Secretary of State.[26]
• In Minnesota, members of state boards, commissions, and councils are appointed through a merit-based open appointments process administered by the Secretary of State.[27] State law also requires the Secretary of State to publish an annual report that provides a listing and description of the duties, membership, and statistics for each state board, commission, or council.[28]
• In Mississippi, the Secretary of State has a fiduciary responsibility for enforcement of sixteenth section public school trust lands and lieu lands laws, care and management of the state's public trust tidelands, and the disposition of lands forfeited to the state for non-payment of ad valorem taxes, among other duties.[29]
• In Montana, the Secretary of State sits on the Board of Examiners, which serves as the issuer of state debt and approves the sale of bonds for the state.[30]
• In Nebraska, debt management agencies cannot carry on business without first obtaining a license from the Secretary of State.[31]
• In Nevada, the Secretary of State is a member of the governing board for the Tahoe Regional Planning Agency, which protects the environment within Lake Tahoe Basin through land-use regulations.[32]
• In New Hampshire, vital records administration is the responsibility of the Secretary of State.[33]
• In New Jersey, the Secretary of State is in charge of enhancing and building awareness of ethnic diversity. Other duties include promoting volunteerism and literacy.[34]
• In New York, the Secretary of State is charged with oversight of the state's thousands of cemeteries.[35] In addition, the Secretary of State administers the state's Coastal Management Program under the terms of the federal Coastal Zone Management Act.[36]
• In North Carolina, the Secretary of State protects investors by prosecuting violations of the state's securities laws.[37]
• In North Dakota, the Secretary of State is a member of, and ex officio secretary to, the Emergency Commission.[38]
• In Ohio, the Secretary of State is a member of the Apportionment Board, which meets every decade following the decennial census to redraw boundaries for each of the 99 Ohio House and 33 Ohio Senate districts. Other members of the Apportionment Board are the Governor, the Auditor of State and two members, one Republican and one Democrat, appointed by state legislative leaders.[39]
• In Oregon, the Secretary of State is Auditor of Public Accounts by virtue of the state constitution and in this capacity performs financial, compliance, and performance audits of state agencies and local governments.[40][41]
• In Pennsylvania, the Secretary of the Commonwealth oversees the State Athletic Commission, which regulates professional boxing and mixed martial arts.[42]
• In Puerto Rico, the Secretary of State issues bingo licenses.[43]
• In Rhode Island, state agencies and local governments are required to file notices of public meetings with the Secretary of State under the auspices of the state's Open Meetings Act.[44] The Secretary of State in turn publishes said notices online.[45]
• In South Carolina, the Secretary of State is responsible for registering cable television franchises.[46]
• In South Dakota, the Secretary of State is the authority for issuance of concealed weapon permits.[47]
• In Tennessee, the Secretary of State regulates disaster relief fundraising.[48]
• In Texas, the Secretary of State registers health spas.[49]
• In Utah, local governments and limited purpose entities are required to register with the Lieutenant Governor, who performs the role of secretary of state.[50][51]
• In Virginia, the Secretary of the Commonwealth manages clemency petitions, restoration of civil rights, and extraditions while also acting as the Governor's liaison with Virginia's Native American tribes.[52]
• In Washington, the Secretary of State is ex officio chairperson of the state's Productivity Board.[53] By law, the Productivity Board is charged with reviewing civil servant suggestions to improve the delivery of public services and increase efficiency of government operations.[54]
• In West Virginia, land banks cannot operate unless they have registered with the Secretary of State.[55]
• In Wisconsin, the Secretary of State is, per the state constitution, an ex officio member of the Wisconsin Board of Commissioners of Public Lands together with the State Treasurer and the Attorney General.[56] The Board of Commissioners of Public Lands invests Wisconsin's four school trust funds and sustainably manages the remaining school trust lands for the benefit of public education, pre-kindergarten through university.[57] A major source of revenue for the school trust funds - the largest being the Common School Fund, with a fair market value of over $1 billion - is BCPL's State Trust Fund Loan Program, which lends trust fund principal to school districts and municipalities for financing public purpose projects that contribute towards economic development, local infrastructure, capital equipment and vehicles, building repairs and improvements, or refinancing existing liabilities to reduce future borrowing costs.[58][59]
• In Wyoming, the Secretary of State is responsible for receiving and filing ethics disclosures from all state lawmakers and each of the state's constitutional officers.[60] Wyoming is the only state in the Union that lacks an ethics commission.[61]