The point is, flyburg, by posing the question here you will get any number of answers - from wannabees, armchair quarterbacks, flt simmers, experts, self-professed experts etc etc all of which may or may not be correct for your operation.The ONLY correct answer is what YOUR company tell you.
There are two answers, of course, one as above and then the 'practical' one, which in the case of EHEH would be just get on with it (possibly 'illegally') , monitoring ANP. However, in the odd case elsewhere where lateral manoeuvring may be 'forbidden' until the published MAP you WILL need to know where that is - even on your ILS.