Plenary Law and Legal Definition. Plenary means characterized by being full and complete in every respect. For example, a plenary trial is a full trial of all the issues, factual and legal. Sometimes when a case is heard on appeal, the hearing is limited to only questions of law.
Report Abuse. It normally takes 4 to 6 weeks for a paper return to be processed. This year may take longer and particularly in your case. The IRS may not start processing your return until Feb. 23rd. Congress put some unusual demands on the IRS with the late law changes and they are struggling.*.
Refunds are normally issued within approximately 21 days if you use e-File, but you may have to wait a bit longer this year due to staff cutbacks within the IRS. Mailing your return in and requesting a paper check is the least speedy choice, slowing down your refund by several weeks.ow long will your tax refund take and how much will you get back? The IRS started accepting returns on January 20, but refunds may take longer than normal this year.