Please pardon the new guy question but I thought I had it answered until I saw a recent thread. I am confused on the bank usage for travel and the 3 day rule.

I will have some deviation bank built up at the end of the DEC bid.

Can I use the bank to commute in on the last day of the DEC bid (29th) with a scheduled activity (R day) on the first day of the JAN bid (30th)?

My last DEC trip is an O&B on the 26th. Would the answer be different if my last DEC trip was the 24th?

You should have no problem. The Jan money will always stay in your Jan bank. The Dec money will stay in your Dec bank. You can slide the 29 Dec expense into Jan or leave in Dec your choice.

Separate essentially unrelated questions.

Is the expense legitimate; yes if it is within 3 days of a FDX activity.

Can I slide the expense; yes if it is within 3 days of the bid month or associated with a C/O trip.

But I have all Reserve in JAN so little to no chance of any JAN bank. So, sliding is not an option.

Again you are hung up on the trip. The bank money can be used on any valid expense and is not tied to a specific trip.

Look at the questions again.

Can I use my Dec money to pay for a Dec ticket associated with a Jan activity. You will not need to slide anything. When you fill out your expense report it will ask you do you want this ticket in your Dec or Jan expense.

Yes, it is associated within 3 days of a valid FDX activity (your Jan R day). The bank money is not tied to a specific trip.

Thank you for your patience...I got it now.

You could buy a ticket on the 1st day of the Jan bid month and slide it back to Dec if you wanted.

I asked this very question Crew Audit folks:

Excellent info!

Another deviation/bank question:

The airline DH bank $$ is tied to the month in which the DH flight shows. Does anyone know if this is the show time in Zulu, Local Base, Local location? I can't find it written anywhere. I think it used to be in the old FAQs before we got FOX. Can't seem to find it in the contract.

Thanks.

check definition of "local base day" - or "day"
CBA 25.A.2.
starts at 0130 local base time