We would like to introduce you the newly added FAQ.

●Application FAQ 
[arrowhead4.0] Setting the settlement date to "2" for a cross order sent to ToSTNeT resulted error code 20025, though the same order was accepted in the morning. Please explain why this happened.
[arrowhead4.0] What is the validity period for ToSTNeT orders? Also, is a notice sent when an order is invalidated?

●arrowhead/ToSTNeT/FLEX 
[arrowhead4.0] The Trading session sometimes did not start at 9:00am, and there were cases where no executions occurred for 3 minutes despite being possible. Are these expected behaviors?
[arrowhead4.0] Why did a temporary trading halt occur even though no trading halt had been announced?
[arrowhead4.0] Why is there a trading halt for the rest of the day even though no trading halt had been announced?
[arrowhead4.0] How can I determine when Itayose execution has ended and Zaraba execution has started at the beginning of the trading session?
[arrowhead4.0] Please let me know the precautions to take when conducting large order tests.
[arrowhead4.0] For each tick size table number, what kind of issue does it apply to?
[arrowhead4.0] Why do the messages at the end of the trading session appear to be delayed by more than 10 minutes?
[arrowhead4.0] Why were the executions for basket trades distributed with a delay of several hours?
[arrowhead4.0] Are the orders with closing conditions distributed in FLEX Standard?
[arrowhead4.0] Are Funari orders distributed in FLEX Standard?
[arrowhead4.0] Are the orders with closing conditions and Funari orders distributed in FLEX MBO?
[arrowhead4.0] Is there any way to identify modification orders in FLEX distribution?
[arrowhead4.0] How can the presence of a Special Quote or any changes to it be determined?
[arrowhead4.0] Why are the quote prices different between FLEX Standard and MBO?
[arrowhead4.0] Is the English name of the issue distributed?
[arrowhead4.0] Please explain the differences between the price direction and the change flag.
[arrowhead4.0] What are some possible causes for the arrowhead Virtual Server failing to connect properly?
[arrowhead4.0] Even for issues exempt from Short Selling Regulation (such as foreign ETNs), is the "1" distributed in the ST and II tags, same as the issues subject to the Short Selling Regulation?
[arrowhead4.0] Is it possible to identify issues that are exempt from Short Selling Regulation (such as foreign ETNs) using FLEX distribution information?
[arrowhead4.0] Are there any restrictions for TCP Retransmission requests (for both Test and Production Environment)?

We will continue to work on create more further useful FAQ for customers.
If there is any specific FAQ you want to know, or further information.
Please feel free to contact us at JPX Service Desk.