31. Annuities are periodic payments made over a specified period of time, such as interest on payment of bonds. 32. Those not charged or not found guilty have their DNA data deleted within a specified period of time. 33. A : There's no specified period . 34. If the objects remain unclaimed for a specified period of time, title in them vests in the finders. 35. To be certified, these graduates must pass the Written and OSCE Examinations within a specified period of time. 36. These officers are generally elected by the General Chapter of their Orders for a specified period of time. 37. The borrowers typically pay back money within the specified period and the incidence of default is very low. 38. If the right isn't exercised after a specified period , the option expires and the option buyer forfeits the money. 39. They must first lay down their arms, then agree to begin and conclude talks with an agreed, specified period , 40. Dusit believes only Bt40 billion to Bt50 billion worth of the loans will be converted during the specified period .