October Novel Prep Challenge

Next week I'm on holiday for a few days, Sunday after work to Thursday. That's okay because it's a writing/walking holiday. I will have Wi-Fi access, but I'm not hot on the idea of typing assignments on my tablet.

I plan to write my challenge pieces longhand and post them to my October Prep book on my return. I will be using the Entry form whilst there to indicate that each piece is done, (might even get a bit ahead with the extra time available).

Is it possible once an entry has been added to the spreadsheet, to link it to the assignment if that is posted a few days later?

I know that the links are not obligatory, because we're on the honour system, but if it can be done I'd like to do that.

Thanks in advance.