As for salary and pensions, if you apply for an exemption for dependents, etc. of non-resident relatives, you would be required to submit/present "Documents Concerning Relatives" and "Documents Concerning Remittances" for the concerned relatives living overseas. (citing from the National Tax Agency website)
The money transfer statement issued by Sendy satisfies all items corresponding to "Documents Concerning Remittances" as published by the National Tax Agency.
For details, please click HERE and visit the National Tax Agency homepage.