An alcohol interlock is a device that controls a vehicle's engine start based on results such as the driver's breath test. When you go through procedures related to an alcohol interlock conditional driver's license, you see both the "driver's license disqualification period" in the disposition document and the "installation period" in the device guidance. Because the two are described as having the same length, it is easy to assume they start on the same day and end on the same day.
However, Article 80-2(2) of Korea's Road Traffic Act does not set up the two periods so that they overlap on the same calendar. The installation period is counted from the day after the end of the driver's license disqualification period that applies to the person eligible for a conditional driver's license. So the key is to keep the length of each period separate from where each period falls on the calendar.
"The same period" refers to length
The provision states that the alcohol interlock is installed for a period equal to the applicable driver's license disqualification period. What this wording links is the length of the period. It does not go so far as to mean that the disqualification period and the installation period run at the same time.
The driver's license disqualification period is the period during which a person cannot obtain a driver's license when certain grounds apply. The interlock installation period, on the other hand, is the period during which the device must be installed in connection with a conditional driver's license. One is a standard for when a person can obtain a license, and the other relates to the condition of keeping the driver's license while the device is installed. Rather than going by the names, you need to distinguish which question each date answers.
Count the new period from the day after the end date
Article 80-2(2) states that the installation period is counted from the day after the driver's license disqualification period ends. So the last day of the disqualification period is not the last day of the installation period. It is the day just before counting of the installation period begins. If you mark the two periods in the same color on top of each other, it is easy to miss this order.
As a hypothetical example, consider a case where a disposition-related document states the start and end dates of the disqualification period, and the person is then preparing for the conditional driver's license procedure. The first fact to observe is the end date of the disqualification period stated in the document. Writing down the day after that end date separately as the starting point for counting the installation period, and then setting the installation period by applying the same length as the disqualification period, is the interpretation that fits the structure of the provision.
In this example, the possible action is not to draw one long bar on the calendar that merges the two periods, but to mark the disqualification period and the installation period as separate segments that follow one after the other. The completion standard is also simple. It is enough that the end date of the disqualification period, the start date for counting the installation period, and the source document for each date are kept as separate items.
The installation date is not the start date for counting
The device installation date, dates related to issuing the conditional driver's license, the day after the disqualification period ends, and device inspection dates cannot be used interchangeably. The installation date is a record of the day the device work was actually done. The start date for counting the legal installation period, on the other hand, is determined based on the end of the disqualification period.
For example, even if the date on the device installation certificate differs from the day after the disqualification period ends, you cannot recalculate the start or end date of the legal installation period from the installation date alone. The observed fact is only the date the device was installed. Rather than treating it as the reference date for the legal period, you need to look separately at the role of each date in the disposition document and the guidance on the conditional driver's license.
One approach you can suggest is to record not only dates in the tracking sheet but also the document each date came from. Copy the start and end dates of the disqualification period from the disposition-related document, the work date from the device installation record, and the scheduled inspection date from the inspection notice. This way, when different documents show different dates, you can work out again which date means which task, instead of arbitrarily picking the earliest or latest date.
Keep inspection appointments separate from the end of the installation period
Schedules such as device inspection, testing, or submitting test results or driving-related data may be needed for device management. However, having had an inspection, or a date written in an inspection notice, does not by itself mean that the legal installation period has ended. The inspection schedule is a device management standard, while the installation period is a legal period counted from the day after the disqualification period ends.
In a hypothetical example, suppose a manager marks an inspection appointment on the calendar and also writes that day down as the end of the device installation obligation. The only fact observed here is a single inspection appointment date. Before treating the inspection date as the end date, the first step is to check it against the end date of the disqualification period and the installation period counted from the following day.
If the check shows that the two dates differ, rather than deleting the inspection appointment, you can keep the inspection schedule and correct the installation period item separately. If you later receive new guidance on the procedure, it is best not to stop at overwriting the old date, but also to record what changed and the basis for the change. This lets you distinguish past inspections or submission schedules from the period that applies now.
Separate the sources even on a single tracking sheet
Period confusion happens when the sources of dates get mixed, more than the numbers themselves. Separating the disqualification period, the installation period, and the device management schedule as shown below reduces the chance that a change to one item wrongly leads to a change in another.
| What to separate | Document or fact to check | What to record on the tracking sheet |
|---|---|---|
| Driver's license disqualification period | Start and end dates stated in the disposition-related document | Which disposition the period comes from, and its end date |
| Interlock installation period | The legal standard that it is counted from the day after the disqualification period ends | The basis for the counting start date and the length of the period |
| Device installation and inspection schedule | Installation records and inspection notices | Work date, inspection date, task described |
| Changed dates | Corrections in newly received notices or guidance | Which item changed and how it relates to the existing record |
What matters in the table is not writing down a single expected end date. You must be able to explain separately when the disqualification period ends, from which day the installation period is counted, and when the device work was done. Even when dates in several documents look different, this separation lets you sort out which document explains which part of the current procedure.
When the period is expected to end, rather than first deciding to remove the device or change the engine start control, the appropriate order is to check separately the basis for counting the legal installation period and the follow-up procedures for the device. Not writing the disqualification end date down as the device removal date, and holding to the standard that the installation period is counted from the day after the disqualification period ends, is the starting point for not confusing the two periods.
※ This article provides general information and is not legal advice on any individual case. Consult a lawyer or other professional about specific situations. Laws may be amended, so check the latest text at the Korea Law Information Center.
