Why cant I download the llama models?

I am trying to download this model from the registry:
Meta-Llama3.1-8B-Instruct-ONNX-INT4-RTX

but
ngc registry model download-version nvidia/meta-llama3.1-8b-instruct-onnx-int4-rtx

results in an error

“error”: “Client Error: 403 Response: Access Denied …”