I have received my Professional Engineering License in 2017. Are registration fees of a license deductible (this includes the licensing fee and yearly dues for 1st yr)?

Annual dues are deductible as Professional Fees at Line 212. A one time licensing fee is not deductible.

You can find a detailed summary of your tax return under the "Review" tab > "Bottom Line (tax summaries)"> then look for the paper and magnifying glass icon in the lower left hand corner, select "Detailed Tax Summary". You will have a line by line sample of the Federal Tax.