Should an amended KIID be provided to existing investors within the UCITS?

Should existing investors within a UCITS umbrella fund, who switch or exchange units in one sub-fund for units in another, be provided with the KIID for the sub-fund in which they are going into?

Should existing investors within a UCITS be provided with a KIID in the case of additional investments?

For a structured UCITS, as defined in Article 36 of Commission Regulation (EU) No 583/2010 that is no longer marketed to the public, should there be an obligation to update the KIID?

Should there be an obligation to prepare a KIID for a UCITS that is in liquidation?