Detailed information about organization Information about alert on kosher products 2015-11-18 Source d'information Information provenant de OK Kosher , USA Site web https://www.ok.org/kosher-alert/rostan-corporation-is-no-longer-certified-kosher-by-ok-kosher-certification/ Remarques Please be advised that As of November 18, 2015, ROSTAN CORPORATION (and All it’s baked goods) is no longer certified kosher by OK Kosher Certification. Rostan Corp. has been inactivated due to kashrus violations.