Noun
letters rogatory pl (plural only)
(law) A formal request from a court to a foreign court for some type of judicial assistance.
Synonyms: letters of request, letters requisitory
The most common remedies sought by letters rogatory are service of process and taking of evidence.
Special Judge Ajay Kumar Kuhar allowed both ED and CBI's plea seeking more time to obtain report on Letters Rogatory (LRs) from the United Kingdom and Singapore in relation to their ongoing probe in the matter. Source: Internet