Journals are linked in a parent/child relationship. Journals that have other journals linked to them are parent journals, while those linked to another journal are children
Child journal year must match the active parent journal year
Child journals can only be added from a parent journal.
Any period, Source Code or Transaction Type (1=Actual, 4=Encumbrance or 5=Budget) can be used in matching fiscal year journal
Cannot link a Journal that is already linked as a child