LC-PCC policy statements for ISSN

LC/PCC Core.

LC/PCC practice: Record the ISSN for the work. Additionally, if there is a value of Work: ISSN for a main series and a value of Work: ISSN for a subseries, record both.

LC/PCC practice: See the Metadata Guidance documentation: Works.

LC/PCC practice: See the Metadata Guidance documentation: Series/subseries: Work: identifier for work.

LC/PCC practice: See the Metadata Guidance documentation: Series/subseries: Work: ISSN.

LC/PCC practice: Apply the option. Use ISSN Portal as vocabulary encoding scheme. See the Metadata Guidance documentation: Works

LC/PCC practice: Apply the option. Record what is found on the manifestation in hand, even if not confirmed by the vocabulary encoding scheme (i.e., the ISSN Portal). Use judgment in deciding if it is a valid ISSN.

LC practice: Apply the option in conjunction with ISSN assignment.