I'm having some issues with setting the Tax Code on a Line Item related to an Invoice, this is the JSON for 1 of the Invoice Items I am passing to a RESTlet:
shapley
strophe
ssm
blowfish
auth-guard
dialing
armv6
kuma
properties.settings
tidyverse
fasttime
sttp
webpack-hot-middleware
advanced-installer
activeqt
dll-reference
windows64
code-sharing
google-cloud-monitoring
tibco-ems
geocaching
wp-admin
bnf
gumstix
netbeans-7.4
playmaker
viewstate
bittorrent
user-agent-switcher
semantic-release