Are there additional reasons why funding would default to the general fund, other than the expiration date of a current fund?

Yes. A chartstring may be valid at the time of entry in Position Funding, however, it may become invalid prior to Commitment Accounting Actuals/General Ledger batch processing. This instance would result in an edit error being flagged and a default chartstring would be used. The initiator will see any system-identified errors as they are working on the Position Funding Entry, or when there is an attempt to save and submit the transaction. However, if a Funding Entry is both successfully saved and approved but payroll still goes into suspense (departmental default chartstring), it could be due to a system error or that the Funding Entry did not meet the deadline for that pay period.