Solution : https://service.sap.com/sap/support/notes/804933 (SAP Service marketplace login required)
Key words :
code activates plants abroad, symptom plants abroad, item details screen, tax codes belonging, special reporting country, reporting country reason, prerequisites plants abroad, whichreporting country pop, entire purchasing document, plants abroad
Related Notes :
862483 | ME11/ME12/ME13 - plants abroad tax code not displayed in F4 |
849584 | DYNPRO_MSG_IN_HELP - When processing F4 on tax code |
708377 | ME21N - for plants abroad tax code not displayed in F4 help |