D.C. Mun. Regs. tit. 17, § 2499
2499.1 When used in this chapter, the following terms and phrases shall have the meanings ascribed as follows:
Business Notary - A business notary public is an individual who is employed by a business physically operating in the District of Columbia, but who may or may not reside in the District, and exercises notarial functions on behalf of his or her employer.
A person may also apply to be a “government” notary public if they obtain a business commission in their role as a government employee, providing the agency is physically located in the District of Columbia. The notarial functions may only be exercised on behalf of the government employer. The application is submitted to ONCA as a Business application, but no fee is required.
District – The District of Columbia
Dual Commission - A District of Columbia resident who desires to exercise notarial functions from his/her personal residence in the District in addition to their business commission may apply for a dual commission. A letter from the individual and the business must be submitted with the application, but only one fee is required.
ONCA – The Office of Notary Commissions and Authentications
Residential Notary - A residential notary public resides in and performs notarial functions from his/her personal residence in the District of Columbia. The notary must submit a Residential Letter of Request that sets forth the need for the notary’s commission to be issued for use in the community and in his/her personal residence.
SOURCE: §§ 1.7 and 1.8(a) of Regulation No. 73-13, as amended by § 302 of the Notaries Public Fees Increase Act of 1983, effective June 22, 1983 (D.C. Law 5-14; 30 DCR 2632 (June 3, 1983)); as amended by Final Rulemaking published at 43 DCR 3365 (June 30, 1995); as amended by Final Rulemaking published at 57 DCR 5052 (June 11, 2010); as amended by the Notaries Public Authentications and License Fee Amendment Act of 2010, effective September 24, 2010 (D.C. Law 18-223; 57 DCR 6242, 6259 (July 23, 2010)); as amended by Final Rulemaking published at 63 DCR 9099 (July 1, 2016).