Okla. Stat. tit. 68, § 68-2831: Place of listing and assessment

A. All property, both real and personal, having an actual,

constructive or taxable situs in this state, shall, except as

hereinafter provided, be listed and assessed and taxable in the

county, school districts, and municipal subdivision thereof, where

actually located on the first day of January of each year. In all

cases oil field equipment, drilling equipment, construction

equipment, road machinery, and equipment used by construction, road

building, or drilling contractors or companies or individuals

engaged in such businesses, shall be taxable in the county, school

districts, and municipal subdivision thereof, where actually located

on the first day of January of each year, but if same is not

assessed in said county it shall be subject to assessment and

taxation in the county of the owner's domicile. Goods, wares,

merchandise and property becoming a part of the finished product of

drilling equipment, for use outside the continental United States

shall not be subject to any other taxes.

B. When any personal property is brought into or located in

this state or removed from one county to another within this state

between January 1 and September 1, and shall acquire an actual situs

therein before the first of September, such property shall be listed

and assessed and taxable where situated after such removal or change

in location, unless such property has already been assessed in some

other state or county for the current year, or the property was

originally produced in this state subsequent to January 1, but if

same is not assessed in said county it shall be subject to

assessment and taxation in the county of the owner's domicile.

C. When cattle or other livestock are pastured or kept on a

tract of land situated partially within each of two or more counties

or other taxing districts, so that they may roam or be driven from

one county or taxing district to another and are not kept in any one

county or taxing district, the number to be listed and assessed in

each county or taxing district shall be determined by ascertaining

the acreage proportion of the entire tract which is located in each

county or taxing district and applying the same proportion to the

total number of cattle or other livestock. When cattle or other

livestock are likewise pastured or kept on a tract of land situated

partially in the State of Oklahoma and partially in some other

state, the number having a taxable situs in Oklahoma shall be

determined in like manner.

D. In any case where other personal property, by reason of its

nature or use, does not stay in one place long enough to acquire a

definite taxable situs, such property shall be listed and assessed

at the domicile of the owner, if the owner is domiciled in this

state, and otherwise in the county, school districts, and municipal

subdivision thereof, where the owner has his principal business in

this state.

E. Tangible personal property moving through the state from a

point outside the state, in transit to a final destination outside

the state, shall for purposes of taxation, acquire no situs in the

state. The owner shall, if required, in order to obtain a

determination that any property has not acquired a situs in the

state, submit to the appropriate assessing officer documentary proof

of the in-transit character and the final destination of the

property.