Between the date when the information document pursuant to Article 43(1) of Directive 2009/65/EC is provided to unit-holders and the date when the merger takes effect, the information document and the up-to-date key investor information of the receiving UCITS shall be provided to each person who purchases or subscribes units in either the merging or the receiving UCITS or asks to receive copies of the fund rules or instruments of incorporation, prospectus or key investor information of either UCITS.