Need to enter Tax Treaty Article 19 in line 256. Went to FIND & OTHER, & entered income in the bottom OTHER DEDUCTIONS, but it populates line 232, not 256

Please contact our support team to assist you with line 256 entry, as they will be able to view your screen if the agent is unable to resolve your issue, please request to have your situation "escalated" to a higher level. 

Answer the questions, so it guides you towards the right team.  Apply the drop downs and you will get a phone number specified to your question (ie - support, care): 

• I want to talk to someone. How do I phone you? - https://turbotax.community.intuit.ca/replies/3152013