Oklahoma constitution
Article X: revenue and taxation
Section 8e

C. If a homestead otherwise eligible for the exemption authorized by this section is transferred on or after January 1 of a calendar year, another homestead property acquired by the qualifying head of household or by the surviving spouse of such qualifying head of household shall be exempt to the same extent as the homestead property previously owned by such person or persons for the year during which the new homestead is acquired and, subject to the requirements of this section, for each year thereafter.