Texas Health and Safety Code - HEALTH & SAFETY § 371.106. Limitations on Storage

(a) A storage facility may not store a used oil filter for more than 120 days.

(b) A transporter may not store a used oil filter for more than 10 days.

(c) A processor may not store a used oil filter for more than 30 days before it is processed.

(d) A processor that stores used oil filters in a container shall label each container clearly with the phrase “Used Oil Filters.”