Section 02.04.19.500 - SURVEILLANCE FOR CWD01.Routine Surveillance. Brain tissue from domestic elk and reindeer sixteen (16) months of age or older at the time of death must be submitted annually to official laboratories for CWD testing as provided for in these rules, under the following conditions:a. No less than ten percent (10%) of cervids harvested or slaughtered.b. No less than one hundred percent (100%) of cervids that die for any reason other than slaughter or harvest.c. Tissues samples submitted to an official laboratory that are untestable or are given an indeterminate test result do not count towards the tissue submission requirement.d. Fallow deer are exempt from CWD testing.02.Enhanced Surveillance. Brain tissue from one hundred percent (100%) of all domestic elk and reindeer sixteen (16) months of age or older that die for any reason on a facility will be required to be tested for CWD for a period of sixty (60) months under the following conditions: a. A facility has imported cervids from a location within twenty-five (25) miles from a confirmed case of CWD in wild cervids.b. A facility has received cervids via intrastate movement from a facility under enhanced CWD surveillance requirements at the time of the transfer.c. The duration of the enhanced CWD surveillance requirements are based upon the most recent date of movement that meets the criteria listed in this section.Idaho Admin. Code r. 02.04.19.500