Originally Posted by
rudestuff
If an IR expires by more than 7 years, you're required to retake the IR exams, however as you have a current IR in a different category, you should be covered as there is no requirement for additional exams when converting an IR (A) to IR(H).
There was in 2007 when I did it the other way round; the 5 Aeroplane specific ATPL exams.