following methods works:
1)
register a .org or .edu domain and then ask for a jira license
2)
create an open source project and start hosting it on a public site and ask for a jira license
3)
contact Tamin company, Mr Kaboli (you can contact them through me)
they have loclalized jira for farsi language and selling it,
may be you can negotiate and buy it with a reasonable price.