IREM Rule No.117: IREM Vol-I, Chapter-I, Section-B, Sub-section-III: Recruitment and Training
117. The position indicated regarding normal channels of promotion in the following paragraphs in this sub-section are illustrative and not exhaustive and they should not be taken to exclude classes not specifically mentioned which it may be the recognized practice for a particular administration to admit to any of the Groups shown. It shall, moreover, be open to the administration to transfer staff from one group to another for which they may be fully qualified, but care must be taken to avoid hardship to staff already in the latter group.