Candace, an insurance agent, met with her client Rebecca on March 15th to complete a life insurance application form. Rebecca applied for a T-10 $200,000 life insurance policy, she told Candace that she will wait for her policy to be accepted before making a premium payment. On April 10th, the application was accepted by the insurance company and Candace promptly called Rebecca to give her the good news. Candace delivered the policy to Rebecca on April 15th during the meeting, Rebecca gave Candace a cheque to cover her first premium and a void cheque to cover subsequent premium payments. Candace submitted the cheques to her manager on April 21st. When did Rebecca’s policy come into force?