Recently, I was asked by a reader to explain the difference between a document that is ‘sealed’ by an engineer (or architect) and one that is signed ‘under seal’. This question prompted this post, as others may also be wondering about the distinction. [Hi Ed! Thanks for your question]
Not all Seals are alike!

Professionals have ‘seals’ that show that they are registered (Engineers) or licensed (Architects). As most of you likely know, your professional seal is something that is hard won and which is used when—and only when—your plans were made by you or someone under your direct supervisory control. Your signature represents that you were in responsible control over the documents, and that they have met the required professional standard of care. (21 NC Admin Code 2-0206 (a)(11)).
A contract can be signed ‘under seal’ – but what, exactly, is the ‘seal’ in that case. The terminology is from the by-gone days of wax seals on important documents. But the [seal] after your signature is a way of making a contract have an extended statute of limitations. It is *not* related to your professional seal in any manner.
And, notably, you don’t extend the statute of limitations by putting your professional seal on them.
Did you ever sign a document ‘under seal’ and wonder what the [seal] meant? Drop me an email at mbrumback@rl-law.com or comment below.

Since I have so many newer readers here at Construction Law NC, I thought a brief summary of some of the most popular posts might be helpful. (I have also added this list to the
Have you ever signed a contract that was “under seal”? You probably have, and you probably have done so without really understanding what it means. In North Carolina, a contract “under seal” means that the contract can be enforced for ten (10) years instead of the usual three. In other jurisdictions, the contract can be enforced for even longer periods of time. [For example, 
As we’ve previously discussed, the