It is a one-time cost. You only pay the fee once.
On October 26th, 2017. See this statement in context.
On October 26th, 2017. See this statement in context.
October 26th, 2017 / 12:15 p.m.
Executive Officer, Certimail
It is a one-time cost. You only pay the fee once.
See context to find out what was said next.