Records retention.
CFR · 2024-01-01 · US · Title 10
(a) (A) (B) (ii) Contractors and dealers must retain the following, additional records for at least 48 months from the date of installation of a central air conditioner in the states of Arizona, California, Nevada, and New Mexico: (A) (B) [Reserved] (2) (i) (ii) (3) (i) (ii) (iii) (b) [Reserved]
official document · source cfr-2024 · id 10:§ 429.142