The commissioner of the department of housing shall prepare a summary of this chapter, describing the respective rights, obligations and remedies of landlords and tenants hereunder, and shall make such summary available for public inspection and copying. The commissioner shall also, after the city comptroller has announced the rate of interest on security deposits on the first business day of the year, prepare a separate summary describing the respective rights, obligations and remedies of landlords and tenants with respect to security deposits, including the new interest rate as well as the rate for each of the prior two years. The commissioner shall also distribute the new rate of security deposit interest, as well as the rate for each of the prior two years, through public service announcements to all radio and television outlets broadcasting in the city. A copy of such summary shall be attached to each written rental agreement when any such agreement is initially offered to any tenant or prospective tenant by or on behalf of a landlord and whether such agreement is for a new rental or a renewal thereof. Where there is an oral agreement, the landlord shall give to the tenant a copy of the summary.