Batch records for an NHP product licence submission are the evidence trail that proves your team made the product the same way every time. Health Canada doesn't just want to know your formula. They want to see, in writing, that you can reproduce it under controlled conditions, batch after batch. For brand owners working with a contract manufacturer, the batch record is often the single most important deliverable in the entire engagement. Get it right and the NPN application moves. Get it wrong and the review stalls.
Part of our complete guide to Health Canada NHP regulatory compliance.
Key Takeaways
- Batch records prove your NHP came together under reproducible, GMP-compliant conditions
- Health Canada reviewers expect both Master Production Records (MPR) and executed Batch Production Records (BPR)
- Every ingredient, weight, equipment ID, operator, and deviation needs a written record
- Incomplete or inconsistent batch records cause most NHP product licence delays
- A GMP-certified contract manufacturer should supply batch records as part of the standard engagement
What Batch Records Mean in an NHP Product Licence Submission
In an NHP product licence submission, batch records are the controlled documents that capture exactly how your team made each lot of finished product. They translate your formula into a step-by-step set of instructions. They then record the actual execution of those instructions in real time, by named operators, against named equipment.
There are two distinct documents brand owners need to understand. The Master Production Record (MPR) is the approved master recipe. This document lists raw materials by name, quantity, ratio, and acceptable range. Equipment, environmental conditions, and process steps appear next. A signature block and version control close the file. The Batch Production Record (BPR) is the executed copy of the MPR for one specific lot. Actual weights, lot numbers, equipment IDs, in-process checks, deviations, and operator initials all land in the BPR as the run happens.
Here's what that means in practice: the MPR is the blueprint, the BPR is the build log. Health Canada will want to see both before issuing a Natural Product Number.
Why Health Canada Requires Batch Records in an NHP Product Licence Submission
The Natural Health Products Regulations and the supporting GMP guidance (GUI-0069) require manufacturers to operate under documented procedures. Batch records are the primary evidence that you meet the requirements in Sections 43–52 of the Regulations.
Reviewers use batch records to confirm three things. First, that the finished product matches the formula declared in the product licence application. Second, that every ingredient came from a qualified supplier and met its release specs. Third, that operators ran the process under conditions that prevent contamination, mix-ups, and identity errors.
However, the practical implication for brand owners is bigger than the regulatory text suggests. A complete batch records package is also what an importer, a retailer, or a downstream auditor will ask to see. Furthermore, it protects your brand if a complaint, recall, or adverse event ever lands on your doorstep.
What Belongs Inside a Compliant Batch Record
A batch record that supports an NHP product licence submission has to capture more detail than most brand owners initially expect. As a result, the document set for a single tincture run can easily exceed twenty pages. Specifically, every executed batch record should include the fields below.
- Unique batch or lot number and date of manufacture
- Product name, format, and the NPN or PLA reference number once issued
- Master formula with theoretical quantities
- Actual weights of every raw material, with lot numbers and supplier certificates of analysis (COAs) referenced
- Equipment used at each step, identified by asset tag or ID
- Process parameters: maceration time, percolation rate, alcohol percentage, temperature, filtration mesh
- In-process checks (specific gravity, percent solids, organoleptic evaluation) with results and signatures
- Yield reconciliation: theoretical yield, actual yield, and explanation of any variance outside the approved range
- Deviations and the related investigation, with disposition (accept, reject, rework)
- Operator signatures and a second-person verification signature for every critical step
- Finished product test results and release authorisation
In addition, the records must stay legible, contemporaneous, and tamper-evident. Furthermore, electronic records need a validated system with audit trails and controlled access. Pencil entries, retroactive sign-offs, and shared logins will fail a Health Canada audit on sight.
How Batch Records Support the NHP Product Licence Submission
The NHP product licence application doesn't ask you to attach every batch record. However, it does ask you to attest that you (or your contract manufacturer) operate under GMP. You also attest that you have written procedures for each step and that your finished product meets the specs declared in the application. The batch record is the evidence behind that attestation.
Specifically, a strong batch records package supports the submission in three concrete ways. First, the MPR is the source for the Quantitative List of Medicinal and Non-Medicinal Ingredients in the application. Quantities, ratios, and forms must match exactly. Second, the BPR backs up the finished product specs, because every release test on the COA also appears inside the batch record. Third, the deviation history shows that your quality system catches and corrects problems rather than hiding them.
The practical implication: if your application declares a 1:5 maceration tincture at 45% ethanol and your batch record shows percolation at 60%, the file is internally inconsistent. Reviewers find these mismatches quickly. As a result, they trigger Information Request Notices that can delay an NPN by months.
Common Batch Record Failures that Stall an NHP Submission
From our experience supporting brand owners through licence submissions, the same handful of batch record problems come up again and again. Worth understanding before you proceed.
- Formula drift between MPR and PLA. The application declares one ratio or alcohol percentage and the master record shows another. Specifically, this happens when teams tweak formulations during development but never update the application.
- Missing raw material traceability. The BPR lists a herb by common name only, with no supplier lot number or COA reference. As a result, reviewers cannot confirm identity or quality of the starting material.
- Uncontrolled deviations. An out-of-spec yield or in-process result gets noted but never investigated. Health Canada treats an open deviation as an unresolved quality risk.
- Retroactive completion. Operators sign off blocks of process steps at the end of the day instead of contemporaneously. Furthermore, time stamps make this easy to spot.
- Inadequate second-person verification. Critical steps (raw material weighing, label reconciliation, release) require a witness. In addition, reviewers reject single-signature batch records on sight.
The short version: most batch record failures aren't about the herbs or the process. They come down to documentation discipline.
How Perfect Herbs Builds Batch Records for NHP Product Licence Submissions
For brand owners working with our contract manufacturing service, batch records are part of the standard deliverable. They are not a paid add-on. Specifically, every lot we produce starts with a controlled MPR before the first batch. Each run after that generates an executed BPR.
Here's how we handle it. Our team builds the MPR from your approved formula, reviews it against the product licence application, and version-controls it in our document management system. Trained operators then execute each batch against that MPR, with second-person verification on every critical step. As a result, we capture raw material lot numbers, supplier COAs, equipment IDs, in-process checks, and finished product test results in the executed record before we release the lot.
Furthermore, we hand over the finished record set — MPR, BPR, COA, and any deviation reports — to the brand owner with each batch. That means when you submit your NHP product licence application, or respond to an Information Request, the evidence is already organised and ready to attach. For more on how the regulatory side fits together, see our overview of Health Canada NHP compliance for herbal products and the NHP site licence GMP requirements.
If you're preparing an NHP product licence submission and want to make sure your batch records will hold up under review, get in touch with our team. We work with brand owners at every stage, from first formula through Natural Product Number issuance and beyond.
Published: May 12, 2026