Relating to the taxation of certain personal property; and prescribing an effective date.

Clarifies language relating to certain personal property not subject to ad valorem property taxation. Authorizes county assessor to provide notice that taxpayer's personal property is not subject to taxation for current property tax year, form with which taxpayer may attest that taxpayer has not added or deleted taxable personal property since prior assessment year and statement that, if taxpayer has added or deleted personal property since prior assessment year, taxpayer must submit signed business personal property return with updated asset detail list . Provides that signed form returned in timely manner makes personal property not subject to taxation for subsequent property tax year. Increases, in county with population of more than 570,000, cap on value of all manufactured structures of a taxpayer otherwise taxable as personal property that are not subject to ad valorem property taxation. Takes effect on 91st day following adjournment sine die.