A relative reference in @if statements used for models in months, quarters, or half years. This function models year end payments of accrued liabilities. Causes no problems in yearly detail.
True—if the period is at the end of the fiscal year
False—if not
If the model is in quarters and December is the fiscal year end, this formula:
@if(@iseoy,1,2)
returns 2 in the first three quarters and 1 in the fourth quarter.