What is a leave of absence?
A leave of absence is an agreed period away from work during which the employment relationship continues. The person stays on the books, keeps their role and usually keeps at least part of their benefits. What changes is whether the time is paid, how long it can last and what has to be provided to justify it.
The term covers everything from a planned holiday to six months of unpaid study leave, which is exactly why companies need named leave types rather than one generic category.
Three layers sit on top of each other, and confusing them is the most common source of disputes:
Most companies end up with somewhere between six and fifteen of them: paid time off for regular holidays, medical leave with its own rules on sick leave pay, parental leave, bereavement leave, disability leave, military leave, study leave, unpaid personal leave and the occasional sabbatical. Around them sit public holidays and, in more flexible setups, a floating holiday people can spend when it suits them.
The number matters less than the discipline: one type per set of rules. The moment two genuinely different situations share a type, the balance stops meaning anything and reporting becomes guesswork.
Write these down before the first request arrives, because each of them will otherwise be decided ad hoc by whoever is asked first:
Spreadsheets are the classic failure: balances live in a file only HR can edit, so employees ask instead of checking, managers approve without knowing the balance, and the year-end reconciliation takes a week. The second failure is approving leave without arranging cover, which turns one person's holiday into a team's problem. The third is having a generous policy nobody can find, which is a documentation problem more than a leave problem and usually belongs in the employee handbook.
Tracking is also the only honest input to absence management: patterns worth acting on, like absences clustering in one team, are invisible until requests are recorded in one place with a type attached to each one.
Leave tracking in Core HR is built as leave types with policies underneath them. A type is tracked in days or in hours; a policy on top of it sets whether the time is paid, unpaid or counted as working, whether it runs in working or calendar days, how the allowance appears, and the rounding used for partial days. Accrual policies prorate the first period or grant the full amount, add extra days at tenure levels you define, and handle carryover as none, unlimited or up to a fixed number, with an expiry delay for carried days. Minimum and maximum notice periods, a required attachment for types that need proof, and an allowed negative balance are all per policy rather than per request.
Requests run through an approval chain, and each policy carries a substitution rule so cover passes automatically to the reporting manager, the manager's manager, the third-level manager or a named person when the request is approved. Balances are visible to the employee rather than held by HR, team availability shows who else is away in the same period, and the reports in HR analytics cover leave balances, leave used and requests by type, which is what turns time off tracking from bookkeeping into something you can plan with.
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