| X Corporation's taxable year | Credit earned | Limitation based on amount of tax |
|---|---|---|
| 1971 | $10,000 | $5,000 |
| 1972 | 5,000 | 3,000 |
| Y Corporation's | Credit earned | Limitation based on amount of tax |
|---|---|---|
| 1971 | $6,000 | $5,000 |
| 1972 | 5,000 | 3,000 |
| 1973 | 3,000 | 10,000 |
| Unused credit | $5,000 |
| Excess of X's 1972 limitation based on tax over credit earned | 0 |
| Carryover to Y's year 1973 | 5,000 |
| Excess of Y's 1973 limitation based on tax over credit earned | 7,000 |
| Carryover to Y's year 1974 | 0 |
| Unused credit | $1,000 |
| Excess of Y's 1972 limitation based on tax over credit earned | 0 |
| Carryover to Y's year 1973 | 1,000 |
| Excess of Y's 1973 limitation based on tax over credit earned | 7,000 |
| Less: X's $5,000 carryover from 1971 | 5,000 |
| 2,000 | |
| Carryover to Y's year 1974 | 0 |
| Unused credit | $2,000 |
| Excess of Y's 1973 limitation based on tax over credit earned | 7,000 |
| Less: X's $5,000 carryover from 1971 and Y's $1,000 carryover from 1971 | 6,000 |
| 1,000 | |
| Carryover to Y's year 1974 | 1,000 |
| Unused credit | $2,000 |
| Excess of Y's 1973 limitation based on tax over credit earned | 7,000 |
|
Code of Federal Regulations
542
|
|
| Less: X's $5,000 carryover from 1971 Y's $1,000 carryover from 1971 and X's $1,000 carryover from 1972 | 7,000 |
| 0 | |
| Carryover to Y's year 1974 | 2,000 |
| X's 1972 unused credit | $1,000 |
| Y's 1972 unused credit | 2,000 |
| Total | 3,000 |
| X Corporation's taxable year | Credit earned | Limitation based on amount of tax |
|---|---|---|
| 1971 | $11,000 | $5,000 |
| Ending 5-1-72 | 3,000 | 6,000 |
| Y Corporation's taxable year | Credit earned | Limitation based on amount of tax |
|---|---|---|
| 1971 | $7,000 | $3,000 |
| 1972 | 3,000 | 9,000 |
| Unused credit | $6,000 |
| Excess of X's 5-1-72 limitation based on tax over credit earned | 3,000 |
| Carryover to Y's postacquisition part year 1972 | 3,000 |
| Excess limitation for Y's postacquisition part year ($6,000× 244/366) | 4,000 |
| Carryover to Y's year 1973 | 0 |
| Unused credit | $4,000 |
| Excess limitation for Y's preacquisition part year ($6,000×122/ 366) | 2,000 |
| Carryover to Y's postacquisition part year | 2,000 |
| Excess limitation for Y's postacquisition part year ($6,000× 244/366) | 4,000 |
| Less: X's $3,000 carryover from 1971 | 3,000 |
| 1,000 | |
| Carryover to Y's year 1973 | 1,000 |
| X's 1971 unused credit | 0 |
| Y's 1971 unused credit | $1,000 |
| Total | 1,000 |
| X Corporation's taxable year | Credit earned | Limitation based on amount of tax |
|---|---|---|
| 1970 | $300 | |
| 1971 | 100 | |
| Ending 5-1-72 | 200 |
| Y Corporation's taxable year | Credit earned | Limitation based on amount of tax |
|---|---|---|
| 1970 | $100 | |
| 1971 | 200 | |
| 1972 | 300 | $900 |
| Unused credit | $300 |
| X Corporation's 1971 limitation based on tax | 0 |
| X Corporation's 5-1-72 limitation based on tax | 0 |
| Carryover to Y's postacquisition part year 1972 | 300 |
| Limitation based on tax for Y's postacquisition part year 1972 ($900×244/366) | 600 |
| Carryover to Y's year 1973 | 0 |
| Unused credit | $100 |
| Y Corporation's 1971 limitation based on tax | 0 |
| Carryover to Y's preacquisition part year 1972 | 100 |
| Limitation based on tax for Y's preacquisition part year 1972 ($900×122/366) | 300 |
| Carryover to Y's postacquisition part year 1972 | 0 |
| Credit earned | $300 |
| Limitation based on tax for preacquisition part year 1972 ($900×122/366) | 300 |
| Less: Y's $100 carryover from 1970 | 100 |
| $200 | |
| Carryover to Y's postacquisition part year 1972 | 100 |
| Limitation based on tax for postacquisition part year 1972 ($900×244/366) | 600 |
| Less: X's $300 carryover from 1970 | $300 |
| 300 | |
| Carryover to Y's year 1973 | 0 |
| Unused credit | $100 |
| Excess of X's 1972 limitation based on tax over credit earned | 0 |
| Carryover to Y's postacquisition part year 1972 | 100 |
| Limitation based on tax for postacquisition part year 1972 ($900×244/366) | 600 |
| Less: | |
| X's $300 carryover from 1970 | 300 |
| Y's 1972 credit earned for postacquisition part year | 100 |
| 400 | |
| 200 | |
| Carryover to Y's year 1973 | 0 |
| Unused credit | $200 |
| Limitation based on tax for preacquisition part year 1972 ($900×122/366) | 300 |
| Less: | |
| Y's $100 carryover from 1970 | 100 |
| Y's 1972 credit earned for preacquisition part year 1972 | 200 |
| 300 | |
| 0 | |
| Carryover to Y's postacquisition part year | 200 |
| Limitation based on tax for postacquisition part year 1972 ($900×244/366) | 600 |
| Less: | |
| X's $300 carryover from 1970 | 300 |
| Y's 1972 credit earned for postacquisition part year 1972 | 100 |
| X's $100 carryover from 1971 | 100 |
| 500 | |
| 100 | |
| Carryover to Y's year 1973 | 100 |
| Unused credit | $200 |
| Limitation based on tax for postacquisition part year 1972 ($900×244/366) | 600 |
| Less: | |
| X's $300 carryover from 1970 | 300 |
| Y's 1972 credit earned for postacquisition part year 1972 | 100 |
| X's $100 carryover from 1971, and Y's $100 carryover from 1971 | 200 |
| 600 | |
| 0 | |
| Carryover to Y's year 1973 | 200 |
| Y's 1971 unused credit | $100 |
| X's 1972 unused credit | 200 |
| Total | 300 |