Those lot owners now or hereafter subject to this chapter, whose
septic systems have been pumped within 24 months prior to the date
upon which this chapter shall take effect in respect to said lots,
shall be exempt from this chapter's initial application to said lots.
To qualify for said initial exception, said lot owners must provide
to the Town of Cortlandt SMO, within 90 days following the date upon
which this chapter shall take effect in respect to said owner's
lot, a copy of a paid receipt (except tax lot grid number, which the
owner may enter upon said receipt), which receipt shall confirm the
pumpout of the septic tank of said owner's septic system within
the preceding twenty-four-month period.