Te Anihana Beau Pomana previously worked at the Justice Ministry's Office of Treaty Settlements in Wellington and hasn't been seen since August 21. Photo / SuppiledTe Anihana Beau Pomana previously worked at the Justice Ministry’s Office of Treaty Settlements in Wellington and hasn’t been seen since August 21. Photo / Suppiled

Te Anihana was seen in distinctive white clothing when she left SkyCity at 5.06am on August 21. Photo / NZ PoliceTe Anihana was seen in distinctive white clothing when she left SkyCity at 5.06am on August 21. Photo / NZ Police

 Te Anihana Beau Pomana has been missing since August 21 when she was seen on CCTV leaving Auckland's SkyCity at 5.06am. Te Anihana Beau Pomana has been missing since August 21 when she was seen on CCTV leaving Auckland’s SkyCity at 5.06am.

 Te Anihana's mother Catherine Anderson is appealing for help to find her daughter. Photo / Supplied Te Anihana’s mother Catherine Anderson is appealing for help to find her daughter. Photo / Supplied

Te Anihana spent two hours in SkyCity's basement carpark before leaving the hotel on August 21. Photo / Kenny RodgerTe Anihana spent two hours in SkyCity’s basement carpark before leaving the hotel on August 21. Photo / Kenny Rodger

Catherine Anderson is appealing for information about her missing daughter Te Anihana. Those who see her should call 111 and any other information about her whereabouts should be reported via 105 using reference number 250822/6281. Photo / Anna HeathCatherine Anderson is appealing for information about her missing daughter Te Anihana. Those who see her should call 111 and any other information about her whereabouts should be reported via 105 using reference number 250822/6281. Photo / Anna Heath

Health system concerns

Te Anihana's family say she spent time in a mental health ward before discharging herself. Photo / SuppliedTe Anihana’s family say she spent time in a mental health ward before discharging herself. Photo / Supplied

Sarah Anderson said he niece spent a night with her in Auckland in July about a month before she disappeared. Photo / Anna HeathSarah Anderson said he niece spent a night with her in Auckland in July about a month before she disappeared. Photo / Anna Heath

 Te Anihana Beau Pomana's family say she experienced a significant decline in her mental health in recent months. She was last walking down Victoria Street West after leaving SkyCity hotel early on Thursday August 18. Te Anihana Beau Pomana’s family say she experienced a significant decline in her mental health in recent months. She was last walking down Victoria Street West after leaving SkyCity hotel early on Thursday August 18.