Compliance Calendar Calculator accuracy and testing

Formula source

• Next compliance date = last completed date + user-entered recurrence interval months + additional recurrence days. Reminder date = next compliance date - reminder buffer days. Latest internal planning date = next compliance date + optional grace days, shown in the method summary.

Test cases

Known limitations

• Does not determine regulatory cadence, filing eligibility, agency acceptance, official grace periods, holidays, responsible owner, or evidence of completion.

Assumptions

• The recurrence interval, reminder buffer, and grace period are user-entered planning assumptions.
• Month additions clamp to the last valid day when needed, such as January 31 plus one month.
• Defaults are editable examples only, not regulatory calendars.

Unit handling

• Last Completed Date accepts calendar dates.
• Recurrence Interval Months accepts values in months.
• Additional Recurrence Days accepts values in days.
• Reminder Buffer accepts values in days.
• Internal Grace Period accepts values in days.

Rounding rules

• Number displays use up to 2 decimal places in the calculator UI.
• Input precision follows configured step values where provided.

Version history

Change log