MS Access FE SQL Server BE Stored Procedure if else

What am I doing wrong in this sequence.  I keep getting an error when I execute

      ELSE IF EXISTS (Select c.product_nbr from product_CHECKOUT c WHERE c.product_nbr = @product_nbr) AND                              
             IF EXISTS (Select u.UserID from u_USERS u  WHERE u.UserID = @CURRENT_USER AND u.Rule = 1 AND u.ACTIVEFLAG = 1)

Can I express  ELSE IF EXISTS   AND   IF EXISTS ?  Can I use the AND here before I give instructions to do something if they both return true?
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Jim HornMicrosoft SQL Server Data DudeCommented:
Please post the entire IF statement.  Also you don't really need to use table aliases (c, u) in subqueries that include only one table.
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