The CRL file can be distributed using various means.
It could be emailed as an attachment to a known list of users.
It could be downloaded from a HTTP server using the MIME type application/pkix-crl.
A CRL distribution URL can be included in each certificate created by the PKI Editor using the following PKI Editor project property.
crl.distribution=http://www.mycompany.com/CRLList.crl
crl.distribution=http://www.mycompany.com/crllist.html