Absence fast formula for two months!

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Hi everybody!

I need some help with the absence fast formula for the the absence plan: "holidays". Right now we have this formula:

DEFAULT FOR PER_REL_ORIGINAL_DATE_OF_HIRE IS '4712/12/31 00:00:00' (date) 
DEFAULT FOR PER_ASG_REL_DATE_START is '4712/12/31 00:00:00' (date) 
DEFAULT FOR PER_ASG_REL_ACTUAL_TERMINATION_DATE is '4712/12/31 00:00:00' (date)
ld_term_end_date = TO_DATE('31-12-'||TO_CHAR(PER_REL_ORIGINAL_DATE_OF_HIRE, 'rrrr'),'dd-mm-rrrr') 
ld_term_end_date = TO_DATE('31-12-'||TO_CHAR(PER_ASG_REL_DATE_START, 'rrrr'),'dd-mm-rrrr')     
ln_accrual = 0 
ln_year = 'n'