MBPM-11 (2025): This memorandum authorizes the use of Service-issued blue or fluorescent green, numbered, zip-tie bands (“zip-tie bands”) as equivalent to numbered, seamless, metal bands (“metal bands”) for the requirements of a Raptor Propagation permit for captive-bred raptors hatched and banded between January 1, 2022 and October 1, 2025 only. Metal bands are required for all raptors hatched prior to January 1, 2022 and after October 1, 2025.
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