At the end of August Visa bulletin, it says that:
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JULY EMPLOYMENT-BASED VISA AVAILABILITY
After consulting with Citizenship and Immigration Services, the Visa Office advises readers that Visa Bulletin #107 (dated June 12) should be relied upon as the current July Visa Bulletin for purposes of determining Employment visa number availability, and that Visa Bulletin #108 (dated July 2) is hereby withdrawn.
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JULY EMPLOYMENT-BASED VISA AVAILABILITY
After consulting with Citizenship and Immigration Services, the Visa Office advises readers that Visa Bulletin #107 (dated June 12) should be relied upon as the current July Visa Bulletin for purposes of determining Employment visa number availability, and that Visa Bulletin #108 (dated July 2) is hereby withdrawn.