| Date | Day | Commons day type | Commons praying | Lords day type | Lords praying |
|---|---|---|---|---|---|
| Monday | 18th | Prorogation | False | Prorogation | False |
18th December 1899 is in the prorogation between the 6th and 7th sessions of the 26th Parliament, being the 6th prorogation of that Parliament.
Papers laid during this prorogation are reported by both Houses in the 7th session of the 26th Parliament.