Clicking below can download the Time-Stamping Service Practice Statement (TPS).
The file is in PDF format.


For users of the current service (10-year valid service):

TPS2.2(English ) TPS2.2(Japanese) This TPS applies to time-stamps issued, on and after July 20th, 2010, by the service valid for ten years. TPS2.1(English ) TPS2.1(Japanese) This TPS applies to time-stamps issued, on and before July 20th, 2010, by the service valid for ten years. TPS2.0(Japanese) This TPS applies to time-stamps issued, on and before September 20th, 2006, by the service valid for ten years.

For users of the previous service (5-year valid service):

TPS1.1(Japanese) This TPS applies to time-stamps issued, on and after March 31st, 2005, by the service valid for five years. Please be reminded that this service became unavailable from January 31st, 2006. TPS First edition(Japanese) This TPS applies to time-stamps issued, on and before March 30th, 2005, by the service valid for five years. Please be aware that this TPS is different from the TPS (TPS2.0/1.1) for the service described above.