(

a) A manufacturer shall, individually or through a stewardship organization, review its stewardship plan at least once every five years after approval by the department and determine whether amendments to the stewardship plan are necessary. (

b) If a manufacturer or stewardship organization determines that amendments are necessary, the manufacturer or stewardship organization shall submit to the department an amended stewardship plan for review and approval consistent with

Section 48703. The manufacturer or stewardship organization shall submit the amended stewardship plan at least months before the deadline described in subdivision (a). The amended stewardship plan shall include a cover letter that summarizes the amendments. (

c) If a manufacturer or stewardship organization determines that no amendments to a stewardship plan are necessary, the manufacturer or stewardship organization shall send a letter to the department, no later than months before the review deadline described in subdivision (a), explaining that the manufacturer or stewardship organization has reviewed the stewardship plan and determined that no amendments are needed. (

d) The department may disapprove a manufacturer or stewardship organization’s determination within days of receipt of that determination if the department concludes that the manufacturer or stewardship organization cannot implement the objectives of this

chapter without amending its stewardship plan. In the event the department disapproves a manufacturer or stewardship organization’s determination, the manufacturer or stewardship organization shall submit to the department an amended stewardship plan for review and approval. The manufacturer or stewardship organization shall submit the amended stewardship plan within days of receipt of the department’s disapproval, unless the department determines that additional time is needed.