The phrase "a year and upon" is not correct and does not convey a clear meaning in written English.
It seems to be an incomplete expression and lacks context for proper usage.
Example: "It took a year and upon reflection, I realized my mistakes."
Alternatives: "after a year" or "following a year".
Visitors to San Antonio are charged $5 to tour her house, known as Miss Margaret's House, which is open 10 days a year and upon request.
Marcello, gamely refusing to snitch on his friend, is sent to prison for a year and, upon his release, is ostracized by pretty much everyone in town.
The initiation fee and annual dues generally include a set number of days a year, and upon resignation, clubs promise to return anywhere from 80 to 100percentt of the initial membership fee.
Schools must provide parents with a packet of information about their rights within the special education system, including procedural safeguard rights, at least once a year and upon request.
Ms. Walzer, for example, gave up gluten a year and half ago upon learning she had symptoms similar to those of a co-worker with celiac disease.
The lab testing could take around a year and a half depending upon the availability of susceptible fish; juvenile fish are needed from locations that are thought to be free from the virus.
A year and 5 months in upon diagnosis, I must say, I have never been in such a good state of health than I have ever been before despite the prognosis, having found an alternative treatment which treats this very 'incurable' condition.
I've got What Would Jackie Do?, The Fabulous Girl's Guide to Decorum, The Bombshell Manual of Style, the novel Elegance, which I read at least once a year, and A Guide to Elegance, upon which the novel is based.
Frozen cells were kept over a year and displayed the same karyotype upon revival and after five additional passages.
This matter is easily tested by assuming a contract of employment for a year and the insertion of a condition upon which the right of employment should continue.
Although he had not played an NBA game in a year and a half, Jordan played well upon his return, making a game-winning jump shot against Atlanta in his fourth game back.
