Are financial indices of indices permitted?

Paragraph 54 of the guidelines prohibits investment in financial indices which rebalance on an intra-day or daily basis but notes that technical adjustments made to financial indices (such as leveraged indices) according to publicly available criteria should not be considered as rebalancing in the context of the guidelines. What is meant by “technical adjustments”?

According to the guidelines, index components’ weightings should be published after each re-balancing on a retrospective basis. What is the timetable for such publication?

Paragraph 56 of the guidelines recommends that all levels of an index should be subject to transparency requirements. What does this mean?

Do the guidelines on financial indices apply only to index-tracking UCITS?