A researcher is conducting a study using the Benjamini-Hochberg procedure to control the False Discovery Rate (FDR) at $\alpha = 0.05$. If 50 independent tests are performed and the ordered $p$-values are $P_{(1)} \le P_{(2)} \le \dots \le P_{(50)}$, what is the specific condition used to reject the null hypothesis $H_{(i)}$?