Major rehabilitation means a planned, comprehensive rehabilitation of an existing structure that:
(1) The Director approves in advance and determines is completed within 18 months from start of the rehabilitation work (unless a longer period of time is approved by the Director in special circumstances); and
(2) The construction cost of which exceeds fifty percent of the pre-rehabilitation value of the structure.
36 CFR § 51.51
To understand leasehold surrender interest, you must refer to these definitions, applicable in the singular or the plural, whenever these terms are used in this part: