Not all shpt custom officer can accepted, as this is depend on individual custom official’s judged
For shpt to Thailand, Customs house in Thailand can request inspect your cargo for ensure that you was import cargo to BKK same as the shipping document as show with them or not.
In case customs officer find that the importer was intended to avoid or imported illegally then they can arrest such your goods.
Further than that may I also week for you advise that your side can clear out with wrong information or wrong invoice, were this will result in high risk and liability for KMTC?