Your remedy would be in a small claims court in the European Country, there known generally as Courts of the First Instance. The problem is the...

This question is too vague to answer. What sort of document and where?

If you speak about the RMCP, this is a Canadian problem. Hire a Canadian lawyer in your Province.

Contact the issuer and see ifthey'll send you a new check. They'll want the original back, of course.

You use a letter head tht you legally can use. Otherwise, it's fraud, here and abroad.

This is an issue for the Indian government or an Indian lawyer.

You need to check the laws of the state where the property is situated and see if Indonesia belongs to the Hague Convention concerning legal...

Ask the Canadians. it's up to them. Try the embassy, consulate or their web pages.

This is a family law question. Pass to that area.

Indeed, as my colleague states, hire an international business lawyer for a general consultation. There are plenty in Cleveland.