Posted annually by Celli on her LiveJournal journal from 2003 to 2013. The first year it was intended to be only a one-off, but proved so popular that it was continued. Any fandom was eligible, not just Forever Knight. Aside from the requirement that it be in some way about taxes, some years there were additional rules. The deadline each year was 15 April, to coincide with the tax filing deadline in the U.S.A. The following FK stories have been written for the Tax Fic Challenge: