Section 55
SEC. 55. If it shall be discovered by the board or brought to their attention, or to the attention of any member thereof, that any taxable real estate in the municipality has escaped listing, it shall be the duty of the board at once to list and value the same and charge against the owner thereof the taxes due for the current year and for all other years since the original assessment under this chapter was made by the board, and the taxes thus assessed shall be legal and collectible by all the remedies herein provided, and penalties and interest shall be added to the back taxes as if the same had been assessed at the time when they should have been assessed.