In all places where mixed refuse is accumulated, a sufficient number of receptacles to contain the mixed refuse between collections must be provided and maintained as specified in the City <cite data-path="|building-codes|VII">Property Maintenance Code</cite>. City Code, 1950, art. 31, §3 1966, art. 23, §3 1976/83, art. 23, §3 Ord. 49-955 Ord. 02-475 Ord. 09-175