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Intervals & Lead Times

Written for Managers Administrators

Submit Intervals and Lead Times can be configured for requirements such as documents, e-learning, and checklists. This guide explains how these concepts work, along with how they define due and overdue states.

---
config:
  theme: base
  gantt:
    useWidth: 960
    barHeight: 34
    fontSize: 16
  themeVariables:
    sectionBkgColor: transparent
    altSectionBkgColor: transparent
    sectionBkgColor2: transparent
  themeCSS: "[id$='-i']{fill:#9ca3af26 !important;stroke:#7d8590 !important;stroke-width:2px;}[id$='-l']{fill:#7d859026 !important;stroke:#57606a !important;stroke-width:2px;}[id$='-s']{fill:#22c55e26 !important;stroke:#16a34a !important;stroke-width:2px;}[id$='-d']{fill:#f59e0b26 !important;stroke:#d97706 !important;stroke-width:2px;}[id$='-o']{fill:#ef444426 !important;stroke:#dc2626 !important;stroke-width:2px;}[id$='-m1']{fill:#57606a !important;stroke:#374151 !important;}.grid .tick line{stroke:none !important;}.grid .tick:first-of-type line{stroke:#9ca3af !important;}.grid .tick text{display:none;}.sectionTitle{display:none;}rect.section{fill:transparent !important;}text.taskText,text.taskTextOutsideRight,text.taskTextOutsideLeft,text.taskTextOutside0,text.taskTextOutside1,text.milestoneText{fill:currentColor !important;}"
---
gantt
  dateFormat YYYY-MM-DD
  axisFormat %e %b
  todayMarker off
  section Interval
    Submit Interval : i, 2026-09-01, 11d
    Lead Time : l, 2026-09-08, 4d
  section Status
    Fulfilled : s, 2026-09-01, 7d
    Due : d, 2026-09-08, 4d
    Overdue : o, 2026-09-12, 4d
    Last submission : milestone, m1, 2026-09-01, 0d

Term Description Example
Submit interval A defined period of time representing the maximum interval between submissions. An Annual Service requirement would have a submit interval of 1 year.
Lead time A defined period of time that represents advanced notice before the end of an interval. An Annual Service requirement may have a lead time of 14 days, allowing sufficient time to schedule the service.
Requirement fulfilled The time passed since the last submission is within the requirement's defined submit interval and before the lead time begins. An Annual Service that was last submitted 6 months ago is considered fulfilled.
Requirement due The time passed since the last submission is within the requirement's defined submit interval but after the lead time begins. An Annual Service (with a 14 day lead time) that was last submitted 11 months and 20 days ago is considered due. It is not yet overdue, but it is within its lead time.
Requirement overdue The time passed since the last submission is beyond the requirement's defined submit interval. An Annual Service that was last submitted 13 months ago is considered overdue.