has business day adjustment has business recurrence interval convention has business day convention holds during has business center convention day of the month day of the week end of the month business day adjustment business day convention business recurrence interval business recurrence interval convention business recurrence interval end-of-month business day preceding business day following business day nearest business day none business day modified following business day modified preceding Business Dates Ontology http://www.omg.org/spec/EDMC-FIBO/FND/DatesAndTimes/BusinessDates/ property restriction 06 property restriction 01 property restriction 02 property restriction 03 property restriction 04 property restriction 05