A certificate may be suspended due to a number of reasons, but the intention is to address and correct any issues raised, so that the certificate can be instantly reinstated when all issues have been resolved. Maintaining surveillance means that no additional factory visits will incur – adding any potential delay to reinstating the certificate again.  As Certificates are not normally suspended for more than six months, maintaining surveillance while that certificate is suspended, does not usually incur any additional cost.  However, If a Certificate holder wants to suspend surveillance while the Certificate is suspended, that is possible, but this would usually incur an additional inspection to confirm the Quality Plan, before that certificate is reinstated.