The most common and most likely answer to this crossword clue is the 4 letter word IRAS which also is the latest solution we found used in New York Times in 1998.
Subject of Form 1040, line 15a crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| IRAS | 100 % | 4 | 
Words with a meaning similar to the clue: Subject of Form 1040, line 15a
These words may or may not be a possible solution to this crosswords clue.- income
 - ira
 - cpa
 - align
 - ring
 - aline
 - ploy
 - rings
 - irs
 - puddle
 - justify
 - lines
 
Crossword Answer definitions
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution