* Be incurred during the construction, acquisition, or improvement of an asset.
* Increase the value or prolong the life of the asset.
* Have a useful life of more than one year.
Travel expenses do not meet any of these requirements. They are not incurred during the construction, acquisition, or improvement of an asset. They do not increase the value or prolong the life of an asset. And they have a useful life of less than one year. Therefore, you cannot capitalize them.