Castalia History catchup (Global)

Description

This is to make an additional payment to bring a subscription up to date for residents of the European Union and the rest of the world.

Please note that History subscriptions beginning in January, May, and September do not require any catchup payments. History subscriptions beginning in February, June, or October require 1 catchup payment. History subscriptions beginning in March, July, or November require 2 catchup payments. History subscriptions beginning in April, August, or December require 3 catchup payments.