(1) After adoption of a redevelopment plan containing a tax increment financing plan the clerk shall certify the assessed value of the real property, including personal property located thereon, described in the tax increment financing plan. Property taxable at the time of the certification shall be included in the assessed value at its most recently determined valuation.

Property exempt from taxation at the time of the request shall be included at zero unless it was taxable when the tax increment financing plan was approved, in which case its most recently determined assessed valuation before it became exempt shall be included. These assessed values shall be, and will be referred to as, the “original assessed value.”

(2) Each year thereafter, the clerk and the State Tax Commission, if applicable, shall certify the amount by which the assessed value of real property, including personal property located thereon, described in the tax increment financing plan has increased or decreased from the original assessed value. These assessed values shall be, and will be referred to as, the “current assessed value.”

(3) Any amount by which the current assessed value of the real property, including personal property located thereon, described in the redevelopment plan exceeds the original assessed value shall be referred to as the “captured assessed value.” The clerk shall certify the amount of the captured assessed value to the municipality each year for the duration of the tax increment financing plan. A municipality may choose to retain all or a portion of the captured assessed value for purposes of tax increment financing if the plan provides that all or a portion of the captured assessed value is necessary to finance the redevelopment project, including the cost of establishing necessary reserves to insure payment of revenue bonds.

If the tax increment financing plan provides that only a portion of the captured assessed value is necessary to finance the redevelopment program, only that portion shall be set aside and the remainder shall be apportioned to the various municipal tax levy funds and the various county tax levy funds.

The amount of captured assessed value that a municipality intends to use for purposes of tax increment financing must be clearly stated in the tax increment financing plan.

(4) After adoption of a redevelopment plan containing a tax increment financing plan which includes a portion of the municipality sales tax diversion, the State Tax Commission shall certify the amount of sales tax collected by the state within the boundaries of the redevelopment area and diverted to the municipality in the twelve-month period ending on the last day of the month before the effective date of approval of the plan. Any increase in the amount collected within the boundaries shall be set aside by the municipality in the fund created by the tax increment financing plan.

Each redevelopment plan shall be approved in the same manner and at the same times provided in Section 43-35-13 for the approval of urban renewal plans. Any tax increment financing plan shall become effective on the same date as the redevelopment plan is approved.