I received an error 'B3 Rejection due TARIFF TREATMENT INVALID FOR CNTRY OF EXP AND/OR COUNTRY OF ORIG', what does it mean?

User might selected wrong ECCC program. Kindly check CBSA ECCC https://www.cbsa-asfc.gc.ca/prog/sw-gu/regcom-marreg/eccc-eccc-eng.html regulated commodity to check correct program and fix on the IID