Regardless of any contract, agreement, lease or other obligation heretofore or hereafter entered into, no owner, in addition to the authorized collection of rent, shall demand, receive or retain a security deposit or advance payment for or in connection with the use or occupancy of a housing accommodation which exceeds the rent for one month; provided, however, that where a greater security deposit was paid by the tenant in continuous occupancy since the date the housing accommodation became subject to the RSL, such deposit may continue in effect during the term of such lease and any renewals thereof with the same tenant. Such security deposit shall be subject to the following conditions: