Record companies sometimes require that a DSP makes available a Release under terms and conditions that may change over time. For example, the recommended retail price may change before, during, or after a specific event (Christmas, a sports event, etc).
In such circumstances the DealList section needs to contain several deals the dates for which are consecutive without any gaps, i.e. as soon as one deal ends the other deal starts. This can be effected with both dates and date-times. If two subsequent Periods form a continuum (i.e. with no break in-between) there are two ways to express this:
- if using dates, the EndDate of the first Period must be one day before the StartDate of the second Period; and
- if using date times, the EndDateTime of the first Period must be the same as the StartDateTime of the second Period.
In both examples, below, the price of the Release increases from 500 Islandic Kronur to 100 Islandic Kronur at midnight between 31st January and 1st February 2018: