Procure-to-Pay, PO Workflows & Spend Governance3 min readUpdated September 2026

Grant Codes, Lab Vendors and Purchases That Can't Wait for Results

A life sciences consulting firm should hold grant-funded purchases to stricter request-first controls than client-funded ones, because a federal grant's allowable-cost rules can make the same purchase acceptable on one code and not on another. Getting that distinction wrong is not just a bookkeeping error but a risk to grant funding in an audit.

Vendors Covered in this Article

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Why Grant Codes Need Stricter Controls Than Client Project Codes

Federal grants typically require that purchases be pre-approved, directly tied to the grant's approved budget categories, and documented with enough detail to survive an audit years later. A client-funded consulting project usually has more flexibility, the client cares that the work gets done, not necessarily that every reagent purchase maps to a pre-approved line item. Treating both funding types with the same approval process either over-documents routine client work or under-documents grant spend in a way that creates real audit risk.

Procurify for Grant-Funded Purchases

Procurify's request-first model, with a required field naming the grant code and budget category, fits grant-funded spend well: a researcher requesting a specialized reagent names the grant, the category it falls under, and gets approval before ordering, which is exactly the documentation a grant audit wants to see. The tradeoff is speed, and grant compliance officers generally accept that tradeoff because the cost of a disallowed expense found during audit, having to return grant funds, is far higher than the cost of a slower approval.

Airbase for Time-Sensitive Lab and Field Purchases

Some lab and field purchases genuinely can't wait: a reagent that needs same-day ordering to keep an experiment on schedule, a piece of testing equipment needed to hit a client deadline. Airbase's card-first model supports that speed, with the researcher tagging the project or grant code at the point of purchase rather than before. For non-grant client work, where the documentation bar is lower, this is often the better default across the board, not just for urgent purchases.

A Worked Example: A Reagent Order That Spans Two Funding Sources

Say a project uses the same reagent for both a grant-funded research task and a separate, client-funded validation study running at the same time. Splitting that single purchase order across two funding codes, in the correct proportion, at the point of purchase, is far easier to document accurately than trying to reconstruct the split after the invoice has already been paid and coded to one code by default. Both platforms support splitting a transaction across multiple cost tags, but someone has to actually do it at purchase time rather than leaving it for a grant administrator to untangle months later during a progress report.

A Common Mistake: Letting Grant Categories Go Stale

A grant's approved budget categories are set at the proposal stage, sometimes a year or more before the actual purchasing happens, and research plans shift. A category that made sense at proposal time can become a poor fit for what the lab actually needs eighteen months in. Rather than forcing every purchase into an outdated category just because it's the one on file, request a budget modification from the funding agency when the mismatch becomes clear, and update the approval platform's category list to match. Continuing to code purchases to a technically-wrong-but-convenient category is a common finding in grant audits, and it's avoidable with a five-minute conversation with the program officer.

Coordinating Purchasing With the Principal Investigator

On a grant-funded project, the principal investigator, not finance, usually has the clearest view of what's scientifically necessary and whether a given purchase fits the approved research plan. A purchasing approval workflow that routes grant-coded requests through the PI before finance signs off catches mismatches, a reagent that doesn't fit the current experimental design, an equipment rental that duplicates something the lab already has access to, earlier than a finance-only review would. This is one place where Procurify's request-first model does double duty: the same approval step that satisfies grant documentation requirements also gives the PI a natural checkpoint to catch a purchase that doesn't actually serve the research before it's made, rather than discovering the mismatch during a budget review months later. Firms that leave the PI out of the loop, routing grant purchases only through finance and a generic approver, tend to find scientific mismatches only when a progress report forces a line-by-line review, which is a far more disruptive time to discover a problem than at the point of purchase.

Controls that keep grant spend audit-ready:

  • Make the funding source a required field on every purchase, not an optional afterthought.
  • Require the grant code and budget category on each grant-funded request, and get approval before the order goes out.
  • Route grant-coded requests through the principal investigator before finance signs off, to catch purchases that no longer fit the research plan.
  • Split a purchase shared by a grant and a client contract across both funding codes at the point of purchase.
Executive Capability Standard

What Good Looks Like

A well-run life sciences consultancy can show, for any grant-funded purchase, that it was pre-approved against the correct budget category and funding source, with documentation that would survive a federal audit.

Building The Capability (5-Stage Skill Ladder)

1. Learn:Pull recent grant-funded purchases and check how many have a documented pre-approval tied to the correct budget category.
2. Do Manually:Require a written pre-approval, naming the grant and budget category, for any purchase charged to grant funds before it's placed.
3. Delegate:Assign a grant administrator or research operations lead to review and approve grant-coded purchase requests.
4. Automate:Configure Procurify or Airbase to require a funding-source and budget-category field on every purchase, with stricter routing for grant-coded requests.
5. Buy:Adopt a research administration platform that ties purchasing directly to each grant's approved budget and flags allowability issues before the purchase clears.

How to Get Started

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Frequently Asked Questions

Can we use the same platform for both grant-funded and client-funded purchases?

Yes, both Airbase and Procurify can support separate approval rules by funding source within the same platform, so grant purchases route through stricter, request-first review while client-funded work moves faster. The key is making the funding source a required field on every purchase, not an optional afterthought.

What happens if a purchase turns out to be disallowed under the grant after it's already been made?

The cost typically has to be moved to a different funding source, usually institutional or client funds, and documented as a correction, which is far more work than catching the issue before purchase. This is exactly why grant-funded spend benefits from request-first approval with a compliance check built into the request.

How do we handle equipment that gets used across multiple grants over its lifetime?

Track equipment separately from consumables, because equipment often follows its own allowability and cost-sharing rules. Where one asset serves several grants, allocate its cost by actual use rather than tagging it to a single funding source. Making that distinction at purchase time keeps each grant's records clean.

About the numbers

This guide doesn't quote a sourced benchmark. Figures in it are estimates or general guidance, so check them against your own numbers.

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