| Document | Type | Description |
|---|---|---|
| Section 208.1105 | Section | Definitions; "B". |
| Section 208.1111 | Section | Definitions; G to O. |
| Section 208.1405 | Section | Taxpayer's research and development expenses; tax credit; limitation; definition. |
| Section 208.1505 | Section | Annual or final return; date of filing; extension. |
| Section 208.1512 | Section | Disregarded entity; classification; filing amended return; treatment as person separate from owner. |