BigQuery supports data governance tags, which let you enforce column-level security and data masking

## Feature Feature BigQuery supports [data governance tags](https://cloud.google.com/bigquery/docs/tags#data-governance-tags), which let you enforce column-level security and data masking. Data governance tags are a type of Resource Manager tag that you can attach to sensitive columns and use in BigQuery data policies to grant conditional access to your users. This feature is in [Preview](https://cloud.google.com/products#product-launch-stages).