Section 240.0-2 - Business hours of the Commission(a) The principal office of the Commission, at 100 F Street, NE, Washington, DC 20549, is open each day, except Saturdays, Sundays, and Federal holidays, from 9 a.m. to 5:30 p.m., Eastern Standard Time or Eastern Daylight Saving Time, whichever currently is in effect in Washington, DC, provided that hours for the filing of documents pursuant to the Act or the rules and regulations thereunder are as set forth in paragraphs (b) and (c) of this section.(b)Submissions made in paper. Paper documents filed with or otherwise furnished to the Commission may be submitted to the Commission each day, except Saturdays, Sundays and federal holidays, from 8 a.m. to 5:30 p.m., Eastern Standard Time or Eastern Daylight Saving Time, whichever is currently in effect.(c)Electronic filings. Filings made by direct transmission may be submitted to the Commission each day, except Saturdays, Sundays, and Federal holidays, from 6 a.m. to 10 p.m., Eastern Standard Time or Eastern Daylight Saving Time, whichever is currently in effect.58 FR 14682, Mar. 18, 1993, as amended at 65 FR 24801 , Apr. 27, 2000; 68 FR 25799 , May 13, 2003; 73 FR 973 , Jan. 4, 2008; 88 FR 12209 , Feb. 27, 2023 For registration and exemption of exchanges, see §§ 240.6a-1 to 240.6a-3 . For forms for permanent registration of securities, see § 240.12b-1 . For regulations relating to registration of securities, see §§ 240.12b-1 to 240.12b-36 . For forms for applications for registration of brokers and dealers, see §§ 240.15b 1-1 to 240.15b9-1.