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How to Apply Client-Specific Billing Rules at Time Entry

The best time to surface a billing rule is while the lawyer still remembers the work—not weeks later during invoice review.

Client billing rules

Outside counsel guidelines

Legal time entry

Rules may address approved timekeepers, rates, billing increments, block billing, internal conferences, research, travel, administrative work, staffing, required codes, budgets, preapproval, invoice deadlines, confidentiality, and AI use. Each rule should be traced to a source document.

Centralize the Rules

Avoid leaving critical requirements only in email, PDF attachments, partner memory, or billing-team spreadsheets. A structured rule library should record client, matter, rule, effective date, source, severity, exception owner, and review date.

Tie Rules to Matter Data

The selected matter should determine which rule set applies. This reduces the risk of using expired guidance, applying one client's requirements to another, or missing matter-specific exceptions.

Check the Matter First

Before reviewing narrative quality, confirm that the matter is active, the correct client is selected, the billing arrangement is configured, required IDs are present, and the timekeeper is authorized.

Narrative Rules

Possible checks include vague descriptions, prohibited wording, block billing, missing purpose, and unnecessary confidential detail. AI may suggest clearer wording, but the lawyer should confirm accuracy.

Code Rules

Where required, validate task code, activity code, expense code, client-specific code set, matter phase, and code-narrative consistency.

Staffing Rules

Client guidelines may restrict the number of attendees, partner work, clerical tasks, research staffing, or unapproved timekeepers. These rules often need human judgment and an exception path.

Budget and Scope Rules

Possible controls include budget thresholds, phase caps, work outside scope, purchase-order requirements, and expense limits. The warning should show the rule and the affected entry.

Error vs Warning

Not every issue should block release. A missing required code may be an error; possible block billing may be a warning; a budget threshold may be informational; an unapproved staffing exception may require approval.

Exception Workflow

When a lawyer believes an entry is valid despite a warning, the system can require an explanation, approver, supporting note, and approval date. This preserves judgment and auditability.

Maintain the Rule Library

Review rules when a client updates its OCG, a new matter opens, rates change, code sets change, or repeated reductions appear. Rules should be versioned so historical entries can be evaluated against the correct requirements.

How MIRA Fits

MIRA focuses on the timekeeping stage. It can help capture activity, prepare draft entries, suggest codes, and support review before release. Current MIRA+ pricing also lists OCG compliance as a feature. MIRA does not replace professional judgment or the firm's eBilling portal.

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Frequently Asked Questions

What are client-specific billing rules?

They are requirements set by a client or engagement for how time, rates, staffing, expenses, narratives, and invoices must be handled.

Where practical, yes. Early visibility can reduce later corrections.

AI can help extract and organize rules, but the firm should verify them against the controlling document.

No. Severity should reflect the type of rule and whether authorized exceptions are allowed.

Wavy Surface

Bring Client Rules Closer to Time Entry

MIRA can support reviewable source entries and client-specific compliance checks before approved time moves to billing.
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