How to Set Up Expense Restrictions: A Step-by-Step Guide

As a company grows, its expenses diversify: meal receipts, travel costs, entertainment expenses, office purchases... When line items multiply beyond what can be reviewed one by one, the most concrete tool in the finance team's hands is expense restriction. Expense restrictions place limits, rules, and category-based boundaries on employee spending, so out-of-policy expenses are caught before they even happen.

In this guide, we explain step by step how to set up expense restrictions from scratch.

What is an expense restriction?

An expense restriction is the application of the written rules in your company's expense policy to the spending process. It has three core components:

• Limit: The amount an expense item cannot exceed. For example, a daily per-person cap on in-city meal expenses.
• Rule: The logic that determines under which conditions an expense is considered valid. For example, not accepting expenses without a receipt, or requiring additional justification for weekend expenses.
• Category control: Ensuring every expense is recorded under the correct category (meals, transportation, accommodation, entertainment, etc.) and that category-specific rules are applied.

When these three work together, expense restriction becomes the most visible part of the company's financial control effort. It is important to draw the scope correctly here: expense restriction is not budget planning or cash flow management; it is a policy layer that checks employee expenses for rule compliance and works together with the approval workflow.

Step 1: Put your expense policy in writing

Restriction rules hang in the air if there is no policy behind them. The first step is to write down, in a formal expense policy, which expenses the company covers and under what conditions. At a minimum, the policy should include:

• Covered and non-covered expense categories
• Amount limits per category (daily, monthly, or per expense)
• Documentation requirements (above what amount is a receipt/invoice mandatory?)
• Whose approval is required for exceptions

If you are starting from scratch, working from a ready-made framework speeds things up: you can download our expense policy template and adapt it to your company.

Step 2: Define categories and their owners

Restrictions do not work without categories. Divide expenses into a meaningful and manageable number of categories: meals, in-city transportation, travel, accommodation, entertainment and hospitality, office expenses, and so on. Answer two questions for each category:

1. What is the rule for this category? (limit, documentation requirement, mandatory justification)
2. Who decides in case of an exception? (manager, department lead, finance team)

Do not overdo the number of categories. A structure where employees cannot record an expense under the right category produces faulty records instead of easier control.

Step 3: Set limits based on realistic data

When setting limits, look at your historical spending data instead of guessing. The category-level spending distribution of the last 6-12 months shows which limit is realistic. A good limit:

• Comfortably covers the normal spending of the vast majority of employees,
• Makes outlier expenses visible,
• Differentiates by city, position, or department where needed (for example, the accommodation limit may differ in a major city).

Once you have set the limits, announce them clearly to employees. A limit nobody knows about produces surprises, not control.

Step 4: Split rules into warning and block levels

Not every rule violation carries the same weight. Structuring rules on two levels protects both control and the employee experience:

• Warning level: When an expense approaches a rule threshold or there is a small deviation, the employee and the approver are notified, but the process does not stop. The approver decides after seeing the justification.
• Block level: An expense clearly against policy (limit exceeded, prohibited category, high amount without documentation) is stopped at the submission stage and cannot proceed until corrected.

This distinction also prevents the workarounds that a rigid, "block everything" structure would cause. When employees see what was stopped and why, policy compliance increases on its own.

Step 5: Connect the rules to the approval workflow

Expense restriction alone is not enough; it must also be defined who sees the expense a rule catches. In a healthy setup:

• Compliant expenses are approved quickly and do not keep anyone unnecessarily busy.
• Expenses that trigger a warning go to the relevant approver together with their justification.
• Exception requests are routed to the authority designated in the policy, and the decision is kept on record.

Tiering approval steps by amount and category delivers both speed for small expenses and control for large ones. We explain in detail how to design approval workflows end to end on our approval and control product page.

Step 6: Review regularly

Expense restriction is not a set-and-forget structure. Once a quarter, look at these questions:

• Which rules generate the most warnings/blocks? Is the rule too strict, or is the behavior the problem?
• Are the limits up to date with inflation and price changes?
• Are exception requests concentrated in a particular category? (If so, the rule itself should be reviewed.)
• Do employees know and understand the rules?

The distribution of rule violations is the most honest feedback showing where the policy conflicts with real life.

Should expense restrictions be run manually or with a system?

In a small team, rules can be managed for a while with spreadsheets and email. But as spending volume grows, manual control reveals two weak points: rules are not applied consistently, and violations are only noticed after the expense has already been made.

Masraff's expense policy engine runs the setup in this guide directly in the system: you define limits and rules per category; an out-of-policy expense is either flagged with a warning or blocked at the moment of submission, and an expense caught by a rule lands in the approval step you defined. This way, expense restriction stops being a policy document sitting in a file and becomes a control that runs automatically on every expense.

Frequently asked questions

Do expense restrictions hurt employee motivation? Vague and arbitrarily applied rules do; transparent and consistently applied rules, on the contrary, build trust. The warning/block distinction and clear justification display establish this balance.

Is a separate limit required for every category? No. Start with the risky and high-volume categories (meals, travel, entertainment). A general rule may be enough for the other categories.

Are expense restrictions and an expense policy the same thing? The policy is the written form of the rules; the restriction is the actual enforcement of those rules in the spending process. One is incomplete without the other.

Setting up expense restrictions is not a big transformation project; it consists of a written policy, realistic limits, and an approval setup that enforces the rules. You can start today with a single category and expand step by step.