The date of issue and the deadline are two different dates associated with a document or task. Here's what each term typically refers to:

Date of Issue: This is the date when a document or item is officially created or issued. It represents the starting point or the date of origin. For example, the date of issue on a letter is the date it was written or sent out. In the case of official documents, such as contracts, invoices, or reports, the date of issue is the date when they were prepared or made available.

Deadline: This is the date or time by which a particular task, activity, or submission is expected to be completed or fulfilled. It signifies the last day or time limit within which something needs to be accomplished. Deadlines are often set to ensure timely completion of projects, assignments, or other responsibilities.

Timeline/ deadline