{{tag>Index Function Function_List Date_And_Time}}
====== YEAR_DIFFERENCE ====== 
===== Description ======  
Calculates the calendar year difference between the two dates as an integer constant. Year difference between 31/12/2004 and 01/01/2005 is 1.
===== Parameters ======  
Two attributes of the Date type or date constants or calculations producing a date
===== Example ======  
<code aim>IF YEAR_DIFFERENCE (Account.OpeningDate, Account.ClosingDate) = 5 THEN ... </code>