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[□=□] □ □
[□ & □] □ □
The first exception allowed a waiver if the materials and products being procured are in the public interest . If a second IOException is thrown while attempting to write the first exception into the stream , the stream is left in an unknown state and StreamCorruptedException is thrown from writeObject . The first exception exempts sites that have four or less parking spaces from the signage requirement . It is significant to note that the first exception described above is much broader than it may appear .