# Understanding the Data

- [Local Registered Birth Records and Sponsored Child Records](/docs/data-catalog-myinfo/understanding-the-data/local-registered-birth-records-and-sponsored-child-records.md)
- [CPF Contribution History (up to 15 months)](/docs/data-catalog-myinfo/understanding-the-data/cpf-contribution-history-up-to-15-months.md)
- [Notice of Assessment (Basic)](/docs/data-catalog-myinfo/understanding-the-data/notice-of-assessment-basic.md)
- [Notice of Assessment (Detailed)](/docs/data-catalog-myinfo/understanding-the-data/notice-of-assessment-detailed.md)