2011 ORS § 294.368¹
Determination of estimated tax revenues

(1) Each municipal corporation that has the power to levy an ad valorem property tax shall estimate, in the manner provided in this section, the amount of revenues that will be received in the ensuing year or ensuing budget period through the imposition of taxes upon the taxable property within the municipal corporation.

(2) Subject to the additional adjustments required under subsection (4) of this section, the estimated ad valorem taxes that will be received in the ensuing year or ensuing budget period shall not exceed the following:

(a) The amount derived by multiplying the estimated assessed value for the ensuing year or each fiscal year of the ensuing budget period of the taxable property within the municipal corporation, after boundary changes have been filed in final approved form with the county assessor and the Department of Revenue as provided in ORS 308.225 (Boundary changes), by whichever of the following is applicable to the municipal corporation:

(A) The municipal corporations permanent rate limit on operating taxes, as defined in ORS 310.202 (Definitions for ORS 310.200 to 310.242) (7); or

(B) The municipal corporations statutory rate limit on operating taxes, as defined in ORS 310.202 (Definitions for ORS 310.200 to 310.242) (10).

(b) If the municipal corporation is authorized to levy a local option tax that was authorized by the electors as a dollar amount, the dollar amount of such local option tax that is authorized to be levied in the ensuing year or ensuing budget period.

(c) If the municipal corporation is authorized to levy a local option tax that was authorized by the electors as a tax rate, the amount derived by multiplying the authorized rate of such local option tax for the ensuing year or ensuing budget period by the estimated assessed value for the ensuing year or each fiscal year of the ensuing budget period of the taxable property within the municipal corporation.

(d) Subject to subsection (3) of this section, the municipal corporations estimate of the amount required to pay the principal and interest on bonded indebtedness that is not subject to limitation under section 11 (11) or section 11b, Article XI of the Oregon Constitution.

(e) The municipal corporations estimate of the amount required to repay taxing district bond obligations or pension and disability plan obligations described in section 11 (5), Article XI of the Oregon Constitution.

(3)(a) The estimate described in subsection (2)(d) of this section may include:

(A) An amount equal to the total of the payments on the principal and interest on bonded indebtedness that are due and payable in the fiscal period following the fiscal period for which the budget is being prepared and before a sufficient amount of property taxes to pay the bonded indebtedness are collected in that fiscal period, pursuant to ORS 294.398 (Estimate of unappropriated ending fund balance for each fund).

(B) Amounts to reimburse the municipal corporation for the payment of principal and interest on exempt bonded indebtedness that the municipal corporation made from other moneys because collections of taxes levied for exempt bonded indebtedness were not sufficient to pay the exempt bonded indebtedness.

(b) If the bonded indebtedness is a tax credit bond or other bond that bears interest that is includable in gross income under the Internal Revenue Code, as amended and in effect on June 25, 2009, the payments described in paragraph (a) of this subsection may include deposits that the municipal corporation has agreed to make in a sinking fund that is dedicated to pay the bonded indebtedness.

(4) The amounts determined under subsection (2)(a), (b) and (c) of this section shall be reduced by an amount equal to the estimated amount of such taxes that will not be collected as a result of:

(a) The discounts allowed under ORS 311.505 (Due dates);

(b) The limits imposed under ORS 310.150 (Segregation into categories) (3); and

(c) The failure of taxpayers to pay such taxes in the year for which they are levied.

(5)(a) The estimated ad valorem taxes determined in accordance with subsection (2)(a), (b) and (c) of this section, prior to adjustment by subsection (4) of this section, shall be used by the municipal corporation for purposes of complying with the requirements of ORS 310.060 (Notice certifying taxes) (1).

(b) The amounts determined under subsection (2)(d) and (e) of this section shall, for purposes of complying with the requirements of ORS 310.060 (Notice certifying taxes) (1), be increased by an amount equal to the estimated amount of taxes that will not be collected as a result of:

(A) The discounts allowed under ORS 311.505 (Due dates);

(B) The limits imposed under ORS 310.150 (Segregation into categories) (3); or

(C) The failure of taxpayers to pay taxes in the year for which they are levied. [Formerly 294.381]