How to write PS correctly Periods in PS: Postscripts are commonly abbreviated with (P.S.) or without (PS) periods. Colon after PS: PS is commonly followed by a colon (PS:), but if you use periods in P.S., you can omit the colon.
How to Write a Letter of Credit Prepare the letter of credit documents, including the credit application, bank instructions, and the credit agreement. Make sure all documents are signed, dated, and include all necessary information. Submit documents to the issuing bank. Confirm that the bank has accepted the documents.