My spouse passed away. I am the beneficiary of a spousal donation which states that if I choose to be the usufructuary, I am exempt from making an inventory and an appraisal of the property. However, my stepchildren are demanding these...

..do they have the right?
 

Yes. The law is clear: Article 1094-3 of the Civil Code states that " Children or descendants may, notwithstanding any stipulation to the contrary by the donor, require that an inventory of movable property and an appraisal of immovable property subject to usufruct be made