13 CFR §126.105

1. (a)Qualified Census Tracts and Qualified Non-Metropolitan Counties will be updated every 5 years.
2. (b)Redesignated Areas will be added to the HUBZone Map when areas cease to be designated as Qualified Census Tracts or Qualified Non-Metropolitan Counties, in accordance with the 5-year cycle described in paragraph (a) of this section, and will be removed after 3 years.
3. (c)Qualified Base Closure Areas will be added to the HUBZone Map after SBA receives information from the Department of Defense that a new base closure area has been created and will be removed after 8 years.
4. (d)Qualified Disaster Areas generally will be added to the HUBZone Map on a monthly basis, based on data received by SBA from the Federal Emergency Management Agency (FEMA), and generally will be removed on the effective date of the 5-year HUBZone Map update following the declaration.
5. (e)Governor-Designated Covered Areas will be added to the HUBZone Map after SBA approves a petition in accordance with § 126.104 and will be removed on the effective date of the 5-year HUBZone Map update following the approval, or one year after the petition is approved, whichever is later.