ETA Canada, which stands for Electronic Travel Authorization, is an online system introduced by the Canadian government to facilitate the entry of foreign nationals from visa-exempt countries. It is a mandatory requirement for travelers who are not eligible for a visa but wish to visit Canada by air. The ETA is a digital document that is linked electronically to the applicant's passport and allows them to travel to Canada for tourism, business, or transit purposes.To obtain an ETA Canada, applicants need to complete an online application form. The form requires personal information such as their name, date of birth, passport details, nationality, and contact information. Additionally, applicants may be asked to answer a few eligibility questions regarding their health, criminal history, and immigration status. The application process is generally quick and can be completed within a few minutes.Once the application is submitted, it undergoes a processing period during which the Canadian authorities review the information provided. In most cases, applicants receive their ETA approval within minutes of submission. However, in some instances, it may take a few days for the application to be processed. It is recommended to apply for an ETA well in advance of the intended travel date to avoid any delays.The ETA Canada is typically valid for a period of five years or until the expiration of the applicant's passport, whichever comes first. It allows multiple entries into Canada, with each visit permitted for a maximum stay of six months. It is important to note that possessing an ETA does not guarantee entry into Canada, as border officers still have the authority to deny entry if they find the traveler inadmissible.Overall, the ETA Canada system has simplified the travel process for visa-exempt individuals, providing a convenient and efficient way to visit Canada. It has improved border security measures while ensuring a smooth experience for travelers. It is important for applicants to carefully review the eligibility requirements and ensure they meet all criteria before submitting an ETA application.