}
byte[] result = readTag(new byte[] {(byte)0xDF, (byte)(0x12 + index)}, record2_1, 0);
if(result.length == 0) {
return null;
}
Integer type = new BCD(result).toInteger(0, 4);
Date begin = bcdToDate(result, 4);
Date end = bcdToDate(result, 8);
return new Excemption(type, begin, end);
}