Each year, the Mayor of the District of Columbia shall take suitable public notice of October 15th as White Cane Safety Day. He shall issue a proclamation commenting upon the significance of the white cane, and calling upon the citizens of the District of Columbia to observe the provisions of this chapter, to be aware of the presence of persons with disabilities in the community, to keep safe and functional for persons with disabilities the streets, highways, sidewalks, walkways, public buildings, public facilities, other public places, places of public accommodation, amusement, and resort, and other places to which the public is invited, and to offer assistance to persons with disabilities upon appropriate occasions.