Hi,
I had the need a long time ago for a french customer. Basically, only one way: make one the "fiscal year" (the last endind in september or the first endind in december) to create a fiscal year of 15 months and the only way I found on that time was to do it thru SDK (adding months to an existing fiscal year), since DTW disallow the import of new months to an existing fiscal year.
I can't test again at the second, but even if it still works, it can be done only on the last (current) fiscal year so in your case:
- If it's the last ending in september which has to go to december, you have extend it before creating the new fiscal year,
- If it's the first ending in december, you have to create first a regular fiscal year, then to extend it.
But in all cases, you have the problem of the SDK. I'll spend some time to see if I've always something (some script or code) to do it...
Regards,
Eric