Fourth Amendment - administrative searches.
A warrantless administrative search of the areas proximate to the cigarette inventory pursuant to local ordinance and during business hours does not violate the Fourth Amendment.
http://media.ca7.uscourts.gov/cgi-bin/rssExec.pl?Submit=Display&Path=Y2016/D01-04/C:14-3813:J:Rovner:aut:T:fnOp:N:1680928:S:0
Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Neither an authoritative statement of the law nor legal advice. Quick work.