Brazil has become one of the first countries to transform the International Maritime Organization’s (IMO) 2023 Biofouling Guidelines from voluntary recommendations into mandatory national requirements for commercial vessels operating in its waters.
While enforcement penalties have been postponed until January 2028, the regulation is already in force and compliance is being assessed during vessel inspections. Importantly, non-conformities are already being documented by authorities, making biofouling management an immediate operational consideration for vessel owners and operators trading in Brazil.
What Are the Requirements?
Under Brazil’s new framework, vessels are expected to demonstrate active biofouling management through documented procedures and records. Key requirements include:
- A current Biofouling Management Plan (BFMP)
- A Biofouling Record Book (BFRB)
- Hull inspection records, including before-and-after photographs
- Evidence that the vessel’s biofouling condition does not exceed Level 1 fouling
Inspectors are reviewing vessel documentation and biofouling status as part of compliance assessments, even though financial penalties will not begin until 2028.
Biofouling Management Is Becoming a Compliance Issue
Historically, biofouling has often been viewed primarily as a maintenance concern linked to fuel efficiency, hull performance, and drydock planning.
Brazil’s regulatory approach signals a shift in that perspective.
By incorporating biofouling management into national regulatory requirements, authorities are emphasizing the role biofouling plays in the transfer of invasive aquatic species and broader environmental protection efforts. As a result, vessel operators are increasingly being asked not only how they manage hull condition, but also how they document and demonstrate compliance.
For many operators, maintaining records and proving ongoing management may become just as important as the physical condition of the hull itself.
A Potential Indicator of Future Regulations
The maritime industry continues to see growing attention on biofouling management from regulators around the world. Brazil’s decision to formally adopt the IMO framework may serve as an early indicator of how other jurisdictions could approach biofouling requirements in the future.
As additional countries evaluate measures to reduce the transfer of invasive species, vessel operators may face increasing expectations for documented biofouling management programs, inspection records, and evidence of preventive actions.
Preparing now can help operators avoid future compliance challenges while supporting operational efficiency and environmental stewardship.
Supporting a Proactive Biofouling Strategy
As regulatory requirements evolve, vessel operators should review their existing Biofouling Management Plans, recordkeeping practices, inspection procedures, and preventive maintenance programs.
At HASYTEC, we support customers in reviewing existing BFMPs, identifying biofouling risk areas, and documenting preventive measures as part of their overall biofouling management strategy. Effective biofouling management not only supports operational performance but also helps operators prepare for an increasingly compliance-driven regulatory environment.
Brazil’s latest action reinforces an important industry trend: biofouling management is no longer solely about maintenance—it is increasingly becoming a matter of regulatory compliance.
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