4. Registration or its amendment is effective from the time when the data set forth in paragraph 1 of this article are available to searchers. The registering party may specify, from options set forth in the regulations, a period of effectiveness for the registration. In the absence of such a specification, a registration is effective for a period of five years.
4. 登记或其修改，自本条第1款所述数据可供查询时起生效。登记方可按条例中规定的选择办法指明登记的有效期。无此种指明的，一次登记的有效期为五年。