### Question
Can you define what calendar days of session means?


### Answer
**Calendar days of session** is defined as the following in *2 U.S.C. § 691e*:

> only those days on which both Houses of Congress are in session.

#### Citation:
  - *2 U.S.C. § 691e*
  - Heading: **CHAPTER 17B-IMPOUNDMENT CONTROL AND LINE ITEM VETO > SUBCHAPTER III-LINE ITEM VETO**

