| Primary credential | Visible decal, hangtag, card, or another approved physical item | License plate associated with an authorization record | Method varies by approved user group, area, or contingency |
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| Administration | Issue, inventory, replace, renew, revoke, recover, and audit items and records | Validate, update, expire, protect, and review plate records and system configuration | Maintain both workflows, one authoritative status, and a written conflict rule |
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| User experience | Visible after issuance; must be obtained, displayed correctly, and replaced when needed | No item to display; plate data and changes must be entered accurately through an approved path | Can match different needs, but instructions must make the distinction unmistakable |
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| Guests and vendors | Temporary pass distribution, display, expiration, and return may be needed | Time-limited plate registration may be possible when included in the program | Different temporary methods may serve different groups if staff can administer them |
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| Common failures | Lost, stolen, shared, transferred, counterfeit, damaged, obscured, or stale credentials | Typing errors, changed plates, temporary tags, unreadable plates, stale records, or system outages | A user appears valid in one record but not the other |
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| Privacy focus | Limit and protect permit-to-person, unit, vehicle, plate, and date records | Define purpose, collection, access, providers, retention, sharing, correction, deletion, and incident handling | Avoid unnecessary duplicate data and apply the correct controls to each record set |
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| Accessibility | Provide workable issuance, pickup, display, and policy modifications where required | Provide an accessible, understandable, non-device-dependent alternative where needed | Use alternate paths only when they are clearly communicated and consistently administered |
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| Operating inputs | Production, numbering, inventory, distribution, replacement, audits, communications, and disposal | Registration support, site review, technology when selected, governance, testing, outages, maintenance, and human review | Selected inputs from both approaches plus reconciliation responsibility |
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| Often worth evaluating when | Users and vehicles are relatively stable; distribution is manageable; visible confirmation matters; plate conditions are unsuitable or unnecessary | Records can be kept current; physical handling creates recurring work; plates are visible; privacy and technical controls are ready | Groups, zones, accessibility needs, or contingencies genuinely differ and staff can maintain both |
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