Contains postal service registration numbers. Some countries require postal service registration numbers for certain mailing class privileges. In the United States, the U.S. Postal Service assigns U.S. Postal Service (USPS) publication numbers to second-class and controlled-circulation material.
The National Serials Data Program uses field 032 to record USPS numbers of publications for which NSDP has reported ISSNs to the Postal Service.
1st Indicator
Undefined. The 1st indicator position is undefined and contains a blank ( ).
Undefined
Undefined. The 2nd indicator position is undefined and contains a blank ( ).
Undefined
Subfields
‡a Postal registration number
Enter USPS numbers as six digits. Enter leading 0's to fill all six positions. Do not enter hyphens.