"if it is indeed the case" is correct and usable in written English.
You can use it to express the possibility of something being true. For example, "The evidence suggests that the suspect is guilty, but if it is indeed the case, we should let the jury decide."
"If it is indeed the case that Department of Education employees were on familiar terms with hedge fund short-sellers, this raises serious questions regarding the internal controls," Mr. Grassley, Republican of Iowa, said in the letter.
I have to say I agree that the IPCC statement makes troubling reading, and if it is indeed the case that warranted police officers have behaved in the way Deborah Glass has described, then that is not acceptable at all.
If it is indeed the case that students who took more advanced coursework did not experience a more challenging senior year, then it may also be the case that these students – though appearing more qualified on paper – did not actually engage in a deeper level of skill-building that would have prepared them better to succeed once enrolled in college.
"If it is indeed the case that warranted police officers behaved in the way Deborah Glass has described, that's not acceptable at all .Keith Vaz, chairman of the select committee, announced that he would summon Shaw, the Police Federation chairman, Steve Williams, and Glass.
We will find out tomorrow if it is indeed the case.
If it is indeed the case that essays produced under examination conditions have been written in advance (not necessarily by the students) and memorised, then this brings into question the validity of the examination itself; it is not actually assessing how well the students can write in English but other qualities such as their memories.
If this is indeed the case, it implies that CWW 89Ab is a36.5MJobject that formed via core accretion processes.
If that is indeed the case, it appears professional artists and songwriters better get busy looking for another day job.
If this is indeed the case, it has serious implications for susceptible wheat under aphid attack.
If this is, indeed, the case then it would not suggest a data breach.
