(238) Making rules and regulations for the purpose of carrying into full force and effect the provisions of the Act of January 15, 1920 under D.C. Code, sec. 31-717.

(239) Prescribing regulations regarding the deposit of additional sums by any teacher, and prescribing table of mortality, under D.C. Code, sec. 31–721.

(240) Making rules and regulations for the purpose of carrying the provisions of the Act of August 7, 1946 into full force and effect under D.C. Code, sec. 31–736. (241) Making regulations concerning (i) the form of application by officers of any medical or dental college for registration and a permit to commence or continue business, (ii) the evidence to be adduced in support thereof, and (iii) the method of taking such evidence, giving notice of hearings upon applications, holding hearings, and making inquiries under D.C. Code, sec. 31-902.

(242) Closing streets and alleys under D.C. Code, sec. 31-1108.

(243) Promulgating rules and regulations governing the manner in which the District duties relating to surplus property shall be carried out. including the fixing of fees to be charged for services, under D.C. Code, sec. 31-1302. (244) All functions vested in the Board of Commissioners of the District of Columbia by D.C. Code, sec. 31-1522 (b).

21. Institutions, agencies, and services

(245) Promulgating regulations to govern the establishment and maintenance of private hospitals and asylums, and regulating the issuance, suspension, and revocation of licenses, under D.C. Code, sec. 32–304.

(246) Making rules and regulations under D.C. Code, sec. 32-306.

(247) Establishing rates and regulations respecting the admission of pay patients under D.C. Code, sec. 32-308.

(248) Establishing rates and regulations respecting the admission of pay patients under D.C. Code, sec. 32–309.

(249) Establishing rates and regulations respecting the admission of patients under D.C. Code, sec. 32–310.

(250) Establishing rates and regulations respecting the admission of pay patients under D.C. Code, sec. 32–313.

(251) Prescribing rates for furnishing clinical services, drugs, pharmaceutical preparation, or x-ray service, and determining the necessity of using appropriations without regard to the rates prescribed, under D.C. Code, sec. 32-322.

(252) Establishing standards of indigency for admission of patients to municipal hospitals, and establishing rates at which, and regulations under which, emergency and semi-indigent patients may be admitted to wards of Gallinger Municipal Hospital on a full- or part-pay basis, under D.C. Code, sec. 32–326.

(253) Making rules and regulations for enforcing discipline, for imparting instruction or preserving health, and for the physical, intellectual, and moral training of the inmates of the institution for the custody, care, education, training, and treatment of feebleminded persons under D.C. Code, sec. 32-604.

(254) Approving rules and regulations, and approving amendments of rules and regulations prescribing standards of placement, care, and services to be required of child-placing agencies under D.C. Code, sec. 32-783.

(255) Making, altering, amending, and changing by-laws, rules, and regulations for the government of the National Training School for Girls, its officers, teachers, employees, and inmates, the employment, discipline, instruction, education, removal, and absolute, temporary, or conditional release of girls committed to the school under D.C. Code, sec. 32–904.

(256) Prescribing regulations respecting the sale of surplus products under D.C. Code, sec. 32-1009.

(257) Establishing rates and regulations respecting the care and treatment of any patients under D.C. Code, sec. 32-1010.

22. Food and drugs

(258) Preparing rules and regulations with regard to the proper method of collecting and examining drugs and articles of food, under D.C. Code, sec. 33-104. (259) Making regulations to protect the milk, cream, and ice cream supply of the District of Columbia under D.C. Code, sec. 33-307.

(260) Prescribing regulations under which milk and cream shall be pasteurized under D.C. Code, sec. 33-315.

(261) By regulation, including places other than creameries or receiving stations under the provisions of section 17 of the Act of February 27, 1925 under D.C. Code, sec. 33-317 (second sentence).

(262) Making rules and regulations for the administration and enforcement of the Narcotic Drug Act of June 20, 1938 under D.C. Code, sec. 33-405. (263) Making rules and regulations to carry out the purposes of the Act of July 3, 1943 under D.C. Code, sec. 33-502.

(264) After reasonable public notice and opportunity for a hearing finding and declaring drugs or compounds, preparations, or mixtures thereof to be habitforming, excessively stimulating, or to have a dangerously toxic, or hypnotic or somnifacient effect on the body of a human or animal under D.C. Code, sec. 33-701 (1) (C).

(265) After reasonable public notice and opportunity for hearing, declaring by rule or regulation duly promulgated that a compound, mixture, or preparation or barbituric acid, its salts and derivatives to have or contain no habit-forming properties and not to have a dangerously toxic or hypnotic or somnifacient effect on the body of a human or animal under D.C. Code, sec. 33-703 (1).

(266) After reasonable public notice and opportunity for hearing, finding and declaring by rule or regulation duly promulgated that a compound, mixture, or preparation of amphetamine, desoxyphedrine, phenolethylamine, or their salts or derivatives to contain in addition to such drug or its salts and derivatives some other drug or drugs causing it to possess other than an excessively stimulating effect upon the central nervous system and to have no habit-forming properties or dangerously toxic effect upon the body of a human or animal under D.C. Code, sec. 33-703 (2).

(267) Promulgating regulations for the administration and enforcement of the Act of July 24, 1956 under D.C. Code, sec. 33–707.

23. Insurance

(268) Making rules and regulations to make the conduct of each company in the same line of insurance conform in doing business in the district under D.C. Code, sec. 35-102.

(269) Prescribing rules and regulations for the hearing of appeals (of health, accident, and life insurance companies) under D.C. Code, sec. 35–202.

(270) Requiring, under D.C. Code, sec. 35-407, that at least once in the month of March in each year a summary of the annual financial statement filed thereunder be published in a daily newspaper.

(271) Making and prescribing rules and regulations (subject to the approval of the court) under D.C. Code, sec. 35-419 (penultimate paragraph).

(272) Requiring information, in addition to that specified in the statute, to be included in applications filed for licensing as life insurance general agent, agent, or solicitor under D.C. Code, sec. 35-425.

(273) Requiring information, in addition to that specified in the statute, to be included in applications for licensing as a life insurance broker under D.C. Code, sec. 35-428.

(274) Prescribing rules and regulations governing inspectors of elections held by policy holders of domestic stock life insurance companies for the purpose of converting to a mutual company under D.C. Code, sec. 35–519.

(275) Issuing rules and regulations to carry out the purposes of section 41 of the Act of June 19, 1934 under D.C. Code, sec. 35-541 (f).

(276) Making rules and regulations concerning the procedure for the filing or submission of policies under D.C. Code, sec. 35-712-3-(f); and making rules and regulations concerning the provisions in supplemental contracts and the submission and approval of such contracts under D.C. Code, sec. 35-712 (last proviso). (277) Making rules and regulations necessary in making effective the provisions of the Fire and Casualty Act of October 9, 1940 under D.C. Code, sec. 35-1304.

(278) Approving agreements and bylaws established by the rating bureau for its governance, approving rules and regulations adopted by the rating bureau to carry out its functions, and approving amendments to such agreements, bylaws, rules and regulations under D.C. Code, sec. 35-1404.

(279) Making and promulgating (i) regulations governing the enforcement of the provisions of the Act of May 20, 1948 (providing for regulation of casualty and other insurance rates), (ii) regulations necessary in making that Act effective, and (iii) rules for making compilations of statistical data available to companies and rating organizations under D.C. Code, sec. 35-1508.

24. Labor

(280) Adopting and promulgating regulations defining terms under section 10 of the Act of February 24, 1914 (sec. 3, Public Law 89-684, approved October 15, 1966).

(281) Making and revising regulations, including definition of terms, under section 8 of title I of the Act of September 19, 1918 (Public Law 89-684, approved October 15, 1966).

(282) Prescribing by regulation records or information necessary or appropriate for the enforcement of the provisions of the Act of September 19, 1918, as amended by Public Law 89-684, approved October 15, 1966, or of the regulations or orders issued thereunder, under section 11 of that Act.

(283) (i) Determining and fixing standards of safety in employment, places of employment, in the use of devices and safeguards, and in the use of practices, means, methods, operations, and processes of employment, and (ii) promulgating general rules and regulations and fixing minimum safety requirements, under D.C. Code, sec. 36-433.

(284) Adopting and promulgating rules and regulations under D.C. Code, sec. 36-434.

(285) Promulgating regulations defining and delimiting the term "any person employed in a bona fide executive, administrative, or professional capacity" under D.C. Code, sec. 36-601 (b).

25. Motor vehicles

(286) Providing by regulation for the issuance of (i) registration certificates and identification tags, (ii) duplicate registration certificates or duplicate identification tags and (iii) special use identification tags under D.C. Code, sec. 40102 (b); and promulgating thereunder the regulations referred to in paragraphs (1) and (4) thereof.

(287) Extending the effective period of registration of motor vehicles under D.C. Code, sec. 40–102 (c).

(288) Prescribing regulations to carry out provisions of law respecting registration of, and identification tags for, motor vehicles and trailers, under D.C. Code, sec. 40-102(e).

(289) Prescribing rules and regulations respecting the revocation or suspension of dealers' registrations and dealers' identification tags, including return of such tags, under D.C. Code, sec. 40-102(f).

(290) Prescribing tags treated with special reflective materials and fixing the additional fee charged in connection therewith under D.C. Code, sec. 40-103 (a). (291) Determining the percentage of fees for registration of motor vehicles and trailers to be credited to the General Fund of the District of Columbia under D.C. Code, sec. 40-103 (d).

(292) Prescribing regulations relating to the issuance of motor vehicle operators' permits and to extending the validity of certain motor vehicle operators' permits under D.C. Code, secs. 40-301(a) (1) and (6).

(293) Prescribing by regulation matter to be stated on each motor vehicle operator's permit under D.C. Code, sec. 40-301 (b).

(294) Making rules and regulations for the administration of the Motor Vehicle Safety Responsibility Act of the District of Columbia under D.C. Code, sec. 40-419.

(295) Making, modifying, and repealing rules and regulations under D.C. Code, sec. 40–603 (a).

(296) Making and modifying regulations in respect to brakes, horns, lights, mufflers, and other equipment, the inspection of the same; the registering, reregistering, titling, retitling, transferring of titles, and revocation of the certificate of title to motor vehicles and trailers under D.C. Code, sec. 40-603 (c).

(297) Making, modifying, and repealing rules and regulations in respect to the movement of traffic, speed, length, weight, height, width, routing, and parking of vehicles the establishment and location of hack stands, and the establishment and location of parking areas for use of Members of Congress and Government officials, under D.C. Code, sec. 40-603 (e).

(298) Making regulations with respect to the control of traffic under D.C. Code, sec. 40-603 (f).

(299) Prescribing penalties under D.C. Code, sec. 40–603 (g).

(300) Designating and reserving parking spaces for the use of Members of the Congress under D.C. Code, sec. 40-604 (40 U.S.C. 60a).

(301) Permitting parking of motor vehicles in the Municipal Center, selecting officers and employees whose vehicles may be parked there, and making regulations for the control of the parking of such vehicles, including authority to prescribe fees and charges for the privilege of parking of such vehicles, under D.C. Code, sec. 40-604a (a).

(302) Permitting the public to park motor vehicles in a portion or portions of the Municipal Center, setting aside the portion or portions of that Center for such purpose, making regulations for the control of parking in the portion or portions so set aside (including the authority to restrict the privilege of parking therein to persons having business in the Municipal Center), making regulations to prohibit parking in all portions of the Municipal Center not set apart for such purposes, and prescribing fees and charges for the privilege of parking motor vehicles, under D.C. Code, sec. 40-604a (b).

(303) Prescribing penalties under D.C. Code, sec. 40-604a (c).

(304) Making rules and regulations for the control of the parking of vehicles, and prescribing fees for the privilege of parking vehicles under D.C. Code, sec. 40-616.

(305) Making regulations necessary in the furtherance of the purposes of D.C. Code, sec. 40-617 under the last sentence thereof.

(306) Establishing and revising uniform schedules of rates to be charged for use of space in each parking facility, providing rate differentials, prescribing and promulgating rules and regulations for the carrying out of the provisions of the District of Columbia Motor Vehicle Parking Facility Act of 1942, determining the time within which the cost of acquiring and improving the property shall be liquidated, and providing for the acquisition and improvement of other necessary parking facilities under D.C. Code, sec. 40-804 (d).

(307) Making rules and regulations for the control of parking of vehicles, and prescribing fees for the parking of vehicles, under D.C. Code, sec. 40-804(e). (308) Fixing the amount of collateral to be deposited under D.C. Code, sec. 40-810.

(309) Including fees within the definition of the term "Governmental charges" under D.C. Code, sec. 40-901 (4).

(310) By regulation or order, determining, fixing, redetermining, and refixing, maximum finance charges under D.C. Code, sec. 40-902(d).

(311) Making regulations to carry out the purposes of section 2 of the Act of April 22, 1960 under D.C. Code, sec. 40–902(e) (1).

(312) Making additional regulations under D.C. Code, sec. 40-902(e) (2). (313) Making classifications under D.C. Code, sec. 40-902(e) (3).

(314) By regulation, (i) prohibiting the inclusion of certain provisions in any retail installment contract, and (ii) providing that waivers or purported waivers shall be void and of no effect, under D.C. Code, sec. 40-902(f).

(315) Prescribing by regulation security required of licensed persons, establishing classes and subclasses of persons, specifying the amount and conditions of the bond to be deposited by each of the members of any such class or subclasses, and by regulation requiring applicants for licenses (i) to furnish and keen in force a bond or other security, (ii) to procure and keep in force public liability insurance and property damage insurance, or both, and (iii) to appoint an attorney for the service of process and notices under D.C. Code, sec. 40–903 (a). (316) Promulgating regulations to carry out the purposes of Act regulating retail installment sales of motor vehicles under D.C. Code, sec. 40-905.

26. Public utilities

(317) Fixing regulations under which electric light companies may be authorized to construct, use, and extend conduits, and prescribing regulations under which electric lighting companies may extend underground conduits and wires, under D.C. Code, sec. 43-1101.

(318) Prescribing conditions and regulations to permit the erection of poles and the stringing of overhead wires thereon under D.C. Code. sec. 43-1105.

(319) Making regulations concerning granting of permits for repair, enlargement, and extension of electric-lighting conduits under D.C. Code, sec. 43-1106. (320) Making regulations concerning granting of permits for repair, enlargement, and extension of electric-lighting conduits under D.C. Code, sec. 43-1107. (321) Prescribing regulations under D.C. Code, sec. 43–1406. (322) Prescribing regulations under D.C. Code, sec. 43-1414.

(323) Making regulations for the proper distribution of water under D.C. Code, sec. 43-1503.

(324) Determining the frequency of levying and collecting water rates under D.C. Code, sec. 43-1504.

(325) Fixing the rates charged for water and water services under D.C. Code, sec. 43-1520c.

(326) Establishing charges for the provision of sanitary sewer service under D.C. Code, secs. 43-1605 and 43-1606.

(327) Promulgating regulations to effectuate purposes of Title II of the Act of May 18, 1954 under D.C. Code, sec. 43-1608.

(328) Imposing additional charge for unpaid sanitary sewer service charge under D.C. Code, sec. 43-1609.

(329) Making rules and regulations to carry out provisions of Public Works Act of 1954 under D.C. Code, sec. 43-1618.

(330) Prescribing regulations respecting the operation and maintenance of the Potomac Interceptor under D.C. Code, sec. 43–1621(a).

27. Passenger motor vehicles for hire

(331) Approving form of, and terms and conditions of filing, evidence under D.C. Code, sec. 44-301.

(332) Making rules and regulations governing the writing of insurance, the making of bonds, and the business of insuring or bonding risks under D.C. Code, sec. 44-302.

28. Real property

(333) Prescribing by regulation extensions of time under D.C. Code, sec. 45-723 (d) (1).

(334) Prescribing by regulation methods or devices, or both, for the evidencing of payment and the collection of taxes under D.C. Code, sec. 45-736.

(335) Prescribing rules and regulations to carry out the purposes of subchapter II of chapter 7 of title 45 of the D.C. Code, under D.C. Code, sec. 45-737.

(336) Adopting a seal and prescribing the design engraved thereon, and making, revising, or repealing regulations to carry out the provisions of chapter 14 of title 45 of the D.C. Code, under D.C. Code, sec. 45-1403.

(337) Requiring proof of the honesty, truthfulness, and integrity of the applicant under D.C. Code, sec. 45-1405.

29. Social security

(338) Prescribing regulations for estimating and determining the reasonable cash value of remuneration in any medium other than cash and for estimating and determining the reasonable amount of gratuities under D.C. Code, sec. 46-301 (c).

(339) Prescribing by regulation the period of time as equivalent to a calendar quarter under D.C. Code, sec. 46–301 (k).

(340) Prescribing the period of time to be used for the term "month" under D.C. Code, sec. 46-301 (n).

(341) Prescribing by regulation the period of seven consecutive days to be used as a "week" under D.C. Code, sec. 46–301 (o).

(342) Prescribing regulations specifying time within which employers shall make a return of, and pay contributions accrued with respect to wages paid during preceding calendar quarter with respect to employment, under D.C. Code, sec. 46-304 (b).

(343) Prescribing regulations respecting issuance of certificate of release of lien for taxes under D.C. Code, sec. 46–304 (e).

(344) Prescribing the extent to which rulings, regulations, or decisions shall be applied without retroactive effect under D.C. Code, sec. 46–304 (k).

(345) Prescribing regulations regarding reduction of benefits under D.C. Code, sec. 46-307 (c).

(346) Prescribing regulations regarding the making of claims for benefits under D.C. Code, sec. 46–309 (a).

(347) Prescribing regulations specifying the frequency and manner of registration and inquiries for work, and by regulation waiving or altering requirements for benefits, under D.C. Code, sec. 46–309 (d).

(348) Prescribing regulations governing determinations as to what constitutes leaving work voluntarily without good cause under D.C. Code, sec. 46-310(a). (349) Prescribing regulations under D.C. Code, sec. 46–310 (c).