Okla. Stat. tit. 11, § 11-36-205

mailing.

A. The resolution of necessity shall be published in six (6)

consecutive issues of a daily newspaper, or two (2) consecutive

issues of a weekly newspaper, which newspaper shall be of general

circulation in the municipality.

B. Not less than ten (10) days before the date of the first

hearing on the proposed improvement, as set forth in the resolution

of necessity, the clerk shall notify each listed owner of lots or

tracts of land within the district as shown by the current year's

tax rolls in the county treasurer's office in the following manner:

1. By mailing a postal card directly to the listed owner at his

last-known address as shown by the tax roll, notifying the owner of

the initiation of proceedings and advising him that his property

will be liable to assessment and referring him to the newspaper and

issues thereof in which the resolution is or will be published for

further particulars; or

Oklahoma Statutes - Title 11. Cities and Towns Page 327

2. In lieu of mailing the postal card, by mailing to each of

the listed owners a copy of the newspaper publication, which mailing

shall not be less than ten (10) days before the first hearing.

If several tracts appear to be owned by the same person, all may be

included in the same notification.

C. Proof of the notification given shall be made by certificate

of the clerk which shall be filed in his office. However, the

failure of any one or more of the listed owners to receive the

notification shall not invalidate any of the proceedings hereunder.