Ariz. Rev. Stat. § 3-1264
A. Beginning from and after December 31, 1985 each owner of a brand or earmark who desires to continue to use it shall apply to the division to rerecord the brand or earmark on the prescribed date and every five years thereafter according to the following schedule:
Calendar Year for Initial Recording
Brand and Earmark Numbers After December 31, 1985
1 through 1,500 1991
1,501 through 3,000 1992
3,001 through 4,500 1993
4,501 through 6,000 1994
6,001 through 7,500 1995
7,501 through 9,000 1986
9,001 through 10,500 1987
10,501 through 12,000 1988
12,001 through 13,500 1989
13,501 and above 1990