Section
221, act June 7, 1897, ch. 4, 1, 30 Stat. 102, related to usual additional precautions generally required. See section
2002 of this title. Section
222, act June 7, 1897, ch. 4, 1, 30 Stat. 102, related to suspension of rules regarding the exhibition of lights on vessels of war or of the Coast Guard. See section
2001 of this title.