We noted probable jurisdiction to review a summary decision of the United States District Court for the Central District of California holding that § 305(a) of the Tariff Act of 1930, 46 Stat. 688, as amended, 19 U. S. C. § 1305 (a) was "unconstitutional on its face" and dismissing a forfeiture action brought under that statute.[1] The statute provides in pertinent part: