I'm sure you can resubmit - this is a friendly competition after all!!

I found this document from the Greater Boston Pistol League very useful - it's US NRA based but the same principles apply to NSRA/ISSF scoring as far as I'm aware.

http://www.gbpl.org/pdfs/GBPL_scoring.pdf

Note Avast Anti Virus does not like this for some reason but I have downloaded it without any problems - it's a PDF file.

HTH

Paul