Janakiram M.P. extends his work with Analytical Accounting with a look at How to Enter Analytical Accounting Negative beginning balances.
DynamicsBlogger: How to Enter Analytical Accounting Negative beginning balances
General Ledger & FinancialsTips & Hidden Features
Archived post from 2011. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.