Deadlines

How to track paperwork deadlines without trusting the wrong date

Use a date calculator for planning, not for deciding what an official deadline legally means. Record the source rule, trigger date and counting method together.

Reviewed 27 August 2026

Deadline mistakes often begin before anyone opens a calculator. The wrong trigger date, the wrong counting rule or the wrong assumption about service can produce a perfectly calculated wrong answer.

Record the source of the deadline

Next to every deadline, write where it came from: a letter, legislation, policy, contract, portal instruction, court rule or official webpage. Save a copy or screenshot of the instruction you relied on where permitted. If the source changes later, your record still shows what you saw when you acted.

Identify the trigger event

“Within 30 days” is incomplete until you know 30 days from what. Possible triggers include the decision date, the date sent, the date received, the date of an event, the date an invoice became due or the date a notice was served. Do not substitute the date that is easiest to find.

Write down the counting rule

Calendar days and business days are different. Some rules exclude the trigger day; others do not. Some move a deadline that lands on a weekend or public holiday; others have their own special provisions. Some allow extra time depending on service method. PaperworkOS does not decide those rules for you.

Create two dates when risk is high

Keep an official deadline field containing the date you have verified, and an earlier internal target for your own work. An internal target might be several days earlier so you have time to correct an upload error or obtain a missing document. Do not label the internal target as the official date.

Use reminders that describe the task

“Appeal due” is less useful than “Final check: review form, attachments, signature, submission method and proof of lodgement.” Add an earlier reminder for evidence collection and another for follow-up if you expect an acknowledgement.

After submission, preserve proof

Save confirmation numbers, sent emails, portal receipts and screenshots that show successful submission. Record the time zone if it could matter. A deadline file is not finished when you press submit; it is finished when you can later show what was submitted and when.

The deadline planning calculator can calculate simple calendar or weekday planning dates. Its result is intentionally labelled as a planning date until you compare it with the official rule.

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Finish with a verification check

• Have you preserved the original notice, form or transaction record?
• Can every important factual statement be traced to a document or dated note?
• Have you distinguished official deadlines from your own planning dates?
• Have you checked the current official route before submitting?
• Have you saved proof of what you sent and when?