Shipment periods and shipment days for letters of credit
Letters of credit (L/C) are specified in these sessions:
- Export Letter of Credit (tcgtc0650m000)
 - Import Letter of Credit (tcgtc0650m100)
 - Domestic Outbound Letter of Credit (tcgtc0650m200)
 - Domestic Inbound Letter of Credit (tcgtc0650m300)
 
In these sessions, the following fields are interdependent:
- Latest Shipment Date
 - Shipment Period From
 - Shipment Period To
 - Shipment Days
 
If you specify a date in the Latest Shipment Date field and save the data, the Shipment Days field is read-only.
If you specify a shipment period in the Shipment Period From and Shipment Period To fields, the Shipment Period To value is updated in the Latest Shipment Date field. You cannot modify this value.