Section 3.3 - Applicability(a)General requirement. Except as provided in paragraph (b) of this section, this part prescribes the exclusive process for interested persons to submit a rulemaking petition on a matter within DHS's jurisdiction.(b)Exceptions - (1)U.S. Coast Guard. This part does not apply to any petition for rulemaking directed to the U.S. Coast Guard. Such petitions are governed by 33 CFR 1.05-20 .(2)Federal Emergency Management Agency. This part does not apply to any petition for rulemaking directed to the Federal Emergency Management Agency. Such petitions are governed by 44 CFR 1.8 . 81 FR 47286 , July 21, 2016, as amended at 89 FR 23500 , Apr. 4, 2024 81 FR 47286 , 7/21/2016, as amended at 89 FR 23500 , 4/4/2024