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PIA: When and How to Conduct a Privacy Impact Assessment

Elite Consultation·2026-03-13
Law 25PIA

The PIA: an obligation that still surprises many organizations

The privacy impact assessment (PIA) is one of the least understood obligations under Law 25. Some organizations do not know it exists; others think it only applies to large enterprises or complex technology projects. The reality is broader.

A PIA is required before launching any project involving personal information, and before any transfer of that information outside Quebec. This is not optional, and it applies to most common organizational initiatives.

When a PIA is mandatory

The law is clear on several triggers:

New project involving personal information: a new HR system, a CRM platform, a mobile application for clients, a new employee onboarding process. If the project handles personal data, a PIA is required.

New information system: the acquisition or deployment of software that collects, processes, or retains personal information. This includes cloud solutions, productivity tools, and customer relationship management systems.

New data collection: if you change the nature or scope of the information you collect, a PIA is required for the new collection.

Transfer outside Quebec: before communicating personal information to an organization located outside Quebec (including in another Canadian province), you must conduct a PIA that evaluates the privacy protection regime of the recipient country or province.

What the PIA must cover

A PIA is not a theoretical exercise. It must enable the organization to identify real risks to the individuals whose information it processes, and to determine the measures needed to mitigate them.

The essential elements of a PIA:

  • Project description: what you are doing, why, and what personal information is involved
  • Data flow mapping: where the information comes from, where it is processed, where it is stored, who has access
  • Risk identification: unauthorized access, loss, use for other purposes, excessive retention, unjustified sharing
  • Mitigation measures: technical controls (encryption, authentication, restricted access) and organizational controls (training, policies, contracts)
  • Compliance with principles: verification that the project respects the principles of Law 25 (minimal collection, determined purpose, valid consent, etc.)

How to keep the PIA practical

A PIA is not necessarily a 50-page document. The depth of analysis must be proportional to the sensitivity of the information and the complexity of the project.

For a simple, low-risk project, a PIA can fit in a few structured pages. For a project handling health data or financial information at scale, the analysis will be more thorough.

The goal is to arrive at a documented conclusion: either the project can proceed with the identified mitigation measures, or adjustments are needed before moving forward.

A few practical principles:

  • Conduct the PIA early in project design, not after. The goal is to be able to modify the design if risks are identified.
  • Involve the relevant teams: IT, operations, human resources depending on the context. A PIA cannot be conducted in a silo.
  • Document decisions and justifications, not just conclusions. If a risk is judged acceptable, explain why.
  • Plan to review the PIA if the project changes significantly.

The role of the privacy officer

The privacy officer must be involved in conducting PIAs. Their role is to ensure the analysis is rigorous, risks are properly assessed, and mitigation measures are realistic.

In mid-sized organizations, the privacy officer is often a person who has other primary responsibilities. This does not diminish their role in PIAs; it means that tools and processes must be simple enough for them to play that role effectively without spending weeks on it.

A process that protects the organization

Beyond regulatory compliance, the PIA protects the organization. It forces the right questions to be asked before a project is deployed, reducing the risk of incidents, complaints, or litigation afterward. An organization that takes its PIAs seriously is one that has thought carefully about what it does with the data of people who trust it.

Observantia includes a guided PIA workflow: a structured template that walks you through each assessment step, retains the documentation, and allows you to track the status of PIAs in progress.


This content is provided for informational purposes only and does not constitute legal advice. For questions specific to your situation, consult a qualified legal professional.

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