Sometimes companies will be hesitant in allowing a NCSO™ candidate to conduct their practical requirements because they believe it may influence their COR® certification. However, any practical requirements completed solely for the NCSO™ program will not influence a company’s COR® certification. A letter can be provided upon the candidate’s request which will confirm that their practical requirements will not influence a company’s status under the COR® program. You can also search companies who are involved in the COR® program on the NLCSA’s website at