Refers to the One Year Window of Opportunity provision. This is a regulatory mechanism that allows non-accompanying family members to submit an application and be eligible to be processed in the same class and category as the principal applicant (PA) for up to one year following the PA's arrival in Canada. All family members must be identified on the PA's application form. For more details refer to Paragraph 141(1) (b) of IRPR, IP3 and OP5.