The emergency legislation is meant to ease logistical burdens for medical marijuana patients and encourage people to get their cannabis from licensed dispensaries. The law also extends the registration renewal deadline for other patients and creates a week-long medical marijuana tax “holiday” that happens to coincide with 4/20. By Maureen Meehan It is about to become much easier for senior citizens to register for medical marijuana in Washington D.C. Mayor Muriel Bowser has signed a bill into law that will expand access to the District’s medical marijuana program in a series of ways. It is about to become much easier for senior citizens to register for medical marijuana in Washington D.C. Mayor Muriel Bowser has signed a bill into law that will expand access to the District’s medical marijuana program in a series of ways. RELATED: Survey: Seniors In Pain Want To Try Cannabis, But This Is Preventing Them The emergency legislation is meant to ease logistical burdens for medical marijuana patients and encourage people to get their cannabis from licensed dispensaries, rather than the gray market vendors.