A tenancy from month to month, or from quarter to quarter, may be terminated by a 30 days notice in writing from the landlord to the tenant to quit, or by such a notice from the tenant to the landlord of his intention to quit, said notice to expire, in either case, on the day of the month from which such tenancy commenced to run.
D.C. Code § 42-3202
Notices to quit
Mar. 3, 1901, 31 Stat. 1382, ch. 854, § 1219
Official source: D.C. Law Library (Council of the District of Columbia). Reproduced from public-domain District of Columbia statutes; confirm against the official source for the current text. Not legal advice.