Okla. Stat. tit. 11, § 11-43-105: Amendments or changes of regulations, restrictions and

boundaries - Protests.

A. Regulations, restrictions and district boundaries of

municipalities may be amended, supplemented, changed, modified or

repealed. The requirements of Section 43-104 of this title on

public hearings and notice shall apply to all proposed amendments or

changes to regulations, restrictions or district boundaries.

B. Protests against proposed changes shall be filed at least

three (3) days before the date of the public hearings. If protests

are filed by:

1. the owners of twenty percent (20%) or more of the area of

the lots included in a proposed change, or

2. the owners of fifty percent (50%) or more of the area of the

lots within a three hundred (300) foot radius of the exterior

boundary of the territory included in a proposed change;

then the proposed change or amendment shall not become effective

except by the favorable vote of three-fourths of all the members of

the municipal governing body where there are more than seven members

in the governing body, and by three-fifths favorable vote where

there are seven or less members in the governing body.