return null; }
	private YearStudentSpecialSeasonCode getYearStudentSpecialSeasonCodeByExecutionYear(			ExecutionYear executionYear) {		for (YearStudentSpecialSeasonCode yearStudentSpecialSeasonCode : getYearStudentSpecialSeasonCodesSet()) {			if (yearStudentSpecialSeasonCode.getExecutionYear() == executionYear) {				return yearStudentSpecialSeasonCode;			}		}		return null;	}