OLAC Best Practice for copyright date

Record when feasible. It is recommended to record this element if the copyright date appears on the resource, especially when it differs from the date of publication, the date of publication is not present, or when the date of publication is supplied. For streaming media, follow PCC Provider-Neutral E-Resource MARC Record Guidelines.

Apply the option for multiple copyright dates that apply to different aspects of the manifestation (such as text, sound or video). Use free text labels to distinguish between the dates (e.g., a copyright date for an audio CD vs. one for a DVD video).

Do not apply the option. For multiple copyright dates that apply to different aspects of the manifestation (such as text, sound or video), record them as separate copyright dates.

Apply the option for resources with multiple copyright dates that apply to a single aspect (e.g., text, sound, or graphics) of the manifestation.

Do not apply the option.

Do not apply the option.

Apply the option.