I know at one time must have been lost in a prune or glitch that the same rules for subject line that are listed in the Urgent Rescue apply to the Non-Urgent Section Also. The only difference is dogs in Non-Urgent are not in danger at Kill Shelters.
Subject Line Must be in the following order:
City, State - ID # and Name, Sex and age, any other detail you would like to give.
Please give City if known instead of County.
Here is the link in the Urgent Section.