Filing a Complaint

je kadeuro yogeumi du beon gyeoljedwaenneunde, hwaginhae jusigesseoyo?

The fee was charged twice on my card, so could you check it?

A polite but standard way to ask staff to investigate a double charge.

eoje badeun cheongguseo naeyonge oryuga inneun geot gatseumnida.

It seems there is an error in the details of the bill I received yesterday.

Highly formal, perfect for speaking to bank managers or writing an official email.

eoje aebeuro ichehaenneunde ajik je gyejwae ipgeumi an dwaesseoyo.

I transferred money via the app yesterday, but it hasn't been deposited into my account yet.

Common everyday expression for reporting a delayed or missing bank transfer.

bunmyeonghi doneul bonaetjiman je gyejwae ajik an deureowatseumnida.

I definitely sent the money, but it hasn't come into my account yet.

More formal; '분명히' (definitely/clearly) adds a firm but respectful tone.

siseutem oryuro jalmot gyeoljedoen geonikka kkok hwanbulhae jusyeoya haeyo.

It was charged incorrectly due to a system error, so you definitely have to refund it.

Firm and direct. Use this when the bank is clearly at fault.

jungbok gyeoljega doeeosseuni i geumaege daehan hwanbul cheorireul butakdeurimnida.

Since it was double-charged, I request a refund process for this amount.

The standard, highly professional way to demand a refund in a corporate or banking setting.

i bubun geumaegi isanghande dasi gyesanhae jusigesseoyo?

The amount in this part is strange; could you recalculate it?

Softens the complaint by asking them to recalculate rather than accusing them directly.

yeogie yeongsujeunge naon jalmotdoen gyeolje geumaegeul sujeonghae jusipsio.

Please correct the incorrect payment amount shown on the receipt here.

Direct and formal request using the '-십시오' command form; use with customer service staff.

jeonhwaroneun seolmyeonghagi eoryeounikka damdang maenijeonimirang jikjeop yaegihago sipeoyo.

It's hard to explain over the phone, so I want to talk directly with the manager in charge.

Useful when regular staff cannot resolve your issue and you need someone higher up.

gyesok cheoriga jiyeondoeneunde, jigeum buseoui chaegimjabungwa tonghwahal su itseumnikka?

The processing keeps getting delayed; can I speak with the person in charge of the department now?

Very formal. '책임자' means the person in charge or director.

geureomyeon eonjejjeum dasi je tongjang gyejwaro doni deureoonayo?

Then around when will the money come back into my bank account?

A natural follow-up question after a refund has been approved.

ireon chwisoui gyeongu botong hwanbuldoeneun de myeochirina geollimnikka?

In the case of such a cancellation, how many days does it usually take to be refunded?

Polite inquiry to manage your own expectations about the processing time.

najunge jega dasi hwaginhaeya hanikka ibeon bulman jeopsu beonho jom juseyo.

I need to check again later, so please give me the reference number for this complaint.

Essential phrase so you don't have to explain the whole problem again next time.

jega banggeum munuihan naeyongui sangdam jeopsu beonhoreul allyeo jusigesseumnikka?

Could you let me know the consultation reference number for the inquiry I just made?

Highly polite way to ask for a tracking number before ending the call or visit.

gyesok amureon haegyeori an doemyeon bonsa gogaeksenteoe yeollakhal subakke eopseoyo.

If there continues to be no resolution, I have no choice but to contact the head office customer center.

A strong warning that you will escalate, using the '-을 수밖에 없다' (have no choice but to) grammar.

manyak naeilkkaji cheoridoeji aneumyeon sobija bohowone jeongsigeuro hanguihagetseumnida.

If it is not processed by tomorrow, I will formally complain to the consumer protection agency.

The ultimate escalation. Very formal, serious, and indicates you are prepared to take official action.