The phrase "completed otherwise" is correct and usable in written English.
It is typically used to refer to completing a task or action in a different way than originally planned or expected. Example: I had planned to cook dinner using the new recipe, but when I realized I was missing a key ingredient, I had to complete the meal otherwise by improvising with what I had in the pantry.
To have restful sleep, each phase of sleep must be completed; otherwise, sleep disruption will result.
The machine which has been attended by the repairman will join the queue to be served again if its repair has not been completed otherwise it will leave the system.
If other channels in a cell are in use when a call completes in that cell, then the channel reassignment criteria will identify the best in-use channel to be released and reassign the corresponding call to the channel in which the other call was just completed; otherwise, the channel in which a call was just completed will be released.
If a sprout inhibitor is to be used, it should be applied after the curing operation has been completed otherwise curing will not take place.
Time permitting, a seven-day physical activity recall [ 24] is completed; otherwise, it will be completed at the baseline assessment/randomization visit (BV2).
For each multi-item dimension, a score was determined if at least 50% of the items within its dimension were completed; otherwise, the score was considered as missing.
I applied for and accepted the internship through a program at Princeton, Princeton Internships in Civic Service, which provides students funding to complete otherwise unpaid internships in the public service sector.
By the end, they've learned to communicate with a diverse and geographically distributed team, and we have a software project completed that we wouldn't have had time to complete otherwise".
An interesting article in last week's Wall Street Journal spawned a series of unfortunate headlines (in a variety of publications) suggesting that Tesla had somehow "solved" the "problem" of "liability" by requiring that human drivers manually instruct the company's autopilot to complete otherwise-automated lane changes.
Former BBC chairman Lord Grade said it was "essential" that the Salford move be completed because "otherwise the BBC can't be a national broadcaster".
Second, and it is very important for everybody to know, if we started fighting terrorism, it should be completed, because otherwise, terrorists might have an impression that they are not vulnerable.
