Income tax return and Legal document

Income tax return noun - Document giving the tax collector information about the taxpayer's tax liability.

Legal document and income tax return are semantically related. In some cases you can use "Legal document" instead a noun phrase "Income tax return".

Legal document noun - (law) a document that states some contractual relationship or grants some right.

Income tax return and legal document are semantically related. Sometimes you can replace phrase "Income tax return" with "Legal document", this phrases are similar.