TL;DR:
T&A tracking software for apparel turns the time and action calendar from a static Excel sheet into a live plan. It works back from the ex-factory date, assigns each milestone to an owner and alerts people before a date slips, not after.
On a Monday review at a woven shirt exporter, the merchandising head goes through the T&A sheet for a big order. Everything is green.
On Thursday, the fabric in-house date passes and the fabric isn’t in. Only then does someone dig in and find that the PP sample was approved six days late, three weeks ago. Fabric booking was waiting on that approval. The sheet was green because nobody had updated it.
The order ships late. The buyer applies a discount. The T&A sheet, in hindsight, was accurate about one thing: the dates someone had planned at the start.
What is T&A in the apparel industry?
Definition: A T&A (time and action) calendar in the apparel industry is the schedule of every milestone an order must pass, from order confirmation to ex-factory, with a planned date and an owner for each. T&A tracking software keeps that calendar live by recording actual dates, flagging delays and alerting the people responsible.
Indian merchandisers often call it the TNA. The idea is simple. The execution is where most factories struggle.
Typical T&A milestones for an export order
Every buyer and product type is different, but most export T&A calendars include milestones like these. The dependency column is what makes T&A useful: it shows which delay pushes which step.
| Milestone | Usual owner | Depends on |
| Order confirmation | Merchandiser | Buyer PO received |
| Lab dip submission and approval | Merchandiser, processing | Colour standards from buyer |
| Fabric booking | Sourcing | Lab dip approval, fabric approval |
| Fit sample submission and approval | Sampling, merchandiser | Techpack, pattern |
| Trims booking | Sourcing | Trim approvals, artwork |
| PP sample approval | Sampling, merchandiser | Fit approval, available fabric |
| Fabric in-house | Sourcing, stores | Fabric booking, processing |
| Trims in-house | Sourcing, stores | Trims booking |
| PP meeting | Production, quality, merchandiser | PP approval, materials in-house |
| Cutting start | Production | PP meeting, fabric inspection |
| Sewing start and finish | Production | Cutting |
| Final inspection | Quality, buyer QA | Packing complete |
| Ex-factory | Merchandiser, logistics | Final inspection passed |
Visual suggestion: Gantt-style chart of these milestones for one order, showing the dependency chain from lab dip to ex-factory in a contrasting colour.
Lead times between milestones should come from your buyer’s agreed lead time and your own history, not from a generic template. A 60-day order and a 120-day order need different gaps.
Why Excel T&A calendars keep failing
Excel isn’t the villain. It’s just the wrong tool for something that changes every day.
- The sheet only knows what someone typed. If the PP approval date isn’t entered, the sheet stays green.
- Dependencies are invisible. A late lab dip should push fabric booking and everything after it. In Excel, that only happens if someone remembers to drag the dates.
- One merchandiser handles 15 to 20 orders, each with a dozen milestones. That’s over 200 dates to watch by hand.
- Nobody else sees it in time. The sourcing team learns about a slipped approval when they’re asked why fabric isn’t booked.
- Delay reasons get lost. At season end, you can’t tell whether delays came from buyers, suppliers or your own team.
How T&A tracking software works
Good T&A software follows the same logic as a careful merchandiser, just without forgetting anything.
Templates by buyer and product
You set up T&A templates once: one for a knit basic for buyer A, another for a lined woven jacket for buyer B. Each template carries the milestones, owners and standard gaps.
Backward scheduling from ex-factory
When an order is confirmed, the system starts from the ex-factory date and works backwards using the template. Every milestone gets a planned date instantly. If the order is already too tight, you know on day one.
Actuals from the work itself
The best set-ups don’t rely on someone updating the T&A separately. When the sampling team records a PP approval or stores records fabric GRN, the T&A milestone closes automatically. That’s what would have saved the shirt exporter in the story above.
Alerts before the due date
Owners get a reminder a few days before their milestone, and their manager is alerted when it’s overdue. A late milestone pushes its dependents, so you see the real ex-factory risk.
Delay reasons
Each delay gets a reason code: buyer comments late, supplier delay, internal capacity and so on. Over a season, that data shows where your lead time actually goes.
Critical path: not every milestone matters equally
A trim that’s late but needed only at packing doesn’t threaten ex-factory the way a late fabric does. T&A software that understands the critical path tells you which delays to worry about today and which can wait.
This is where experienced merchandisers already have good instincts. Software makes that instinct visible to everyone, including the owner and the buyer.
T&A for buying houses and multi-factory exporters
If you place orders across several factories, T&A becomes a coordination tool. Each vendor factory updates its milestones, and the buying house or head office sees all orders on one board.
That’s very hard to do with emailed Excel sheets from 20 factories. Our posts on ERP for buying houses and PLM in buying houses cover that set-up.
What to check when choosing T&A software
Ask the vendor to set up your hardest buyer’s T&A template in the demo. Then change the lab dip approval date and watch what happens downstream.
- Does it close milestones from real transactions (sample approvals, GRNs, inspections), or does someone still have to update it?
- Can different buyers have different templates and lead times?
- Do alerts reach the person who owns the task, on mail or mobile?
- Can you see all orders at risk on one screen, sorted by ex-factory date?
- Does it record delay reasons in a way you can report on?
If the answer to the first question is “someone updates it,” you’re buying a prettier spreadsheet.
Where TPCS fits
In TPCS, T&A sits on the same platform as sampling, purchase, stores, production and quality, so milestones can be tied to the work that completes them. Related reading: sampling management software for fashion and apparel supply chain software.
Frequently asked questions
What is T&A in garment manufacturing?
T&A means time and action. It is the calendar of milestones an order must pass, from confirmation to ex-factory, with planned dates and owners for each step.
What is the difference between T&A and TNA?
None. TNA is the short form many Indian merchandisers use for the time and action calendar.
How is a T&A calendar prepared?
Start from the ex-factory date agreed with the buyer, list the milestones the order must pass, and work backwards using standard lead times for each step. Software does this automatically from templates.
Who is responsible for the T&A calendar?
The merchandiser usually owns the overall calendar, but each milestone should have its own owner in sourcing, sampling, production, quality or logistics.
Can T&A software predict shipment delays?
It can show when a delay on one milestone pushes the ex-factory date, as long as milestones are linked by dependencies and actual dates are recorded.
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